{"id":339,"date":"2025-12-17T01:06:22","date_gmt":"2025-12-16T17:06:22","guid":{"rendered":"http:\/\/4.189.252.43\/?p=339"},"modified":"2025-12-17T01:08:30","modified_gmt":"2025-12-16T17:08:30","slug":"%e5%8f%82%e6%95%b0%e4%bc%b0%e8%ae%a1-%e7%82%b9%e4%bc%b0%e8%ae%a1","status":"publish","type":"post","link":"http:\/\/4.189.252.43\/index.php\/2025\/12\/17\/%e5%8f%82%e6%95%b0%e4%bc%b0%e8%ae%a1-%e7%82%b9%e4%bc%b0%e8%ae%a1\/","title":{"rendered":"\u7b2c\u5341\u4e00\u7ae0 \u53c2\u6570\u4f30\u8ba1\u2014\u2014\u70b9\u4f30\u8ba1"},"content":{"rendered":"\n<p>\u5df2\u77e5\u603b\u4f53\u5206\u5e03\u5f62\u5f0f\uff0c\u7528<strong>\u6837\u672c\u7edf\u8ba1\u91cf<\/strong>\u4f30\u8ba1\u603b\u4f53\u53c2\u6570\u7684\u95ee\u9898\uff0c\u79f0\u4e3a<strong>\u53c2\u6570\u4f30\u8ba1\u95ee\u9898<\/strong>\uff0c\u662f\u7edf\u8ba1\u63a8\u65ad\u7684\u6838\u5fc3\u95ee\u9898\u4e4b\u4e00\u3002<\/p>\n<p>\u53c2\u6570\u4f30\u8ba1\u53ef\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u70b9\u4f30\u8ba1<\/strong>\uff1a\u7528\u6837\u672c\u7edf\u8ba1\u91cf\u76f4\u63a5\u4f5c\u4e3a\u603b\u4f53\u53c2\u6570\u7684\u4f30\u8ba1\u503c<\/li>\n<li><strong>\u533a\u95f4\u4f30\u8ba1<\/strong>\uff1a\u672a\u77e5<\/li>\n\n<\/ul>\n<h2>\u4e00\u3001\u70b9\u4f30\u8ba1<\/h2>\n<h3>1. \u5b9a\u4e49<\/h3>\n<p>\u8bbe<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"15.29ex\" height=\"2.344ex\" viewBox=\"0 -755.9 6583.4 1009.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.588ex;\"><defs><path stroke-width=\"0\" id=\"E1170-MJMATHI-58\" d=\"M42 0H40Q26 0 26 11Q26 15 29 27Q33 41 36 43T55 46Q141 49 190 98Q200 108 306 224T411 342Q302 620 297 625Q288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1170-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1170-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 17Z\"><\/path><path stroke-width=\"0\" id=\"E1170-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1170-MJMAIN-2E\" d=\"M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z\"><\/path><path stroke-width=\"0\" id=\"E1170-MJMATHI-6E\" d=\"M21 287Q22 293 24 303T36 341T56 388T89 425T135 442Q171 442 195 424T225 390T231 369Q231 367 232 367L243 378Q304 442 382 442Q436 442 469 415T503 336T465 179T427 52Q427 26 444 26Q450 26 453 27Q482 32 505 65T540 145Q542 153 560 153Q580 153 580 145Q580 144 576 130Q568 101 554 73T508 17T439 -10Q392 -10 371 17T350 73Q350 92 386 193T423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 180T152 343Q153 348 153 366Q153 405 129 405Q91 405 66 305Q60 285 60 284Q58 278 41 278H27Q21 284 21 287Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1170-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1170-MJMAIN-31\" x=\"1170\" y=\"-213\"><\/use><use xlink:href=\"#E1170-MJMAIN-2C\" x=\"1281\" y=\"0\"><\/use><g transform=\"translate(1726,0)\"><use xlink:href=\"#E1170-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1170-MJMAIN-32\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1170-MJMAIN-2C\" x=\"3007\" y=\"0\"><\/use><use xlink:href=\"#E1170-MJMAIN-2E\" x=\"3452\" y=\"0\"><\/use><use xlink:href=\"#E1170-MJMAIN-2E\" x=\"3897\" y=\"0\"><\/use><use xlink:href=\"#E1170-MJMAIN-2E\" x=\"4341\" y=\"0\"><\/use><use xlink:href=\"#E1170-MJMAIN-2C\" x=\"4786\" y=\"0\"><\/use><g transform=\"translate(5231,0)\"><use xlink:href=\"#E1170-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1170-MJMATHI-6E\" x=\"1170\" y=\"-213\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">X_{1}, X_{2}, ..., X_{n}<\/script>\u662f\u6765\u81ea\u603b\u4f53\u7684\u6837\u672c\uff0c\u7528\u4e8e\u4f30\u8ba1\u672a\u77e5\u53c2\u6570<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u7edf\u8ba1\u91cf<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"22.904ex\" height=\"3.044ex\" viewBox=\"0 -1007.2 9861.5 1310.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1172-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-3D\" d=\"M56 347Q56 360 70 367H707Q722 359 722 347Q722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153Q722 140 707 133H70Q56 140 56 153Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMATHI-58\" d=\"M42 0H40Q26 0 26 11Q26 15 29 27Q33 41 36 43T55 46Q141 49 190 98Q200 108 306 224T411 342Q302 620 297 625Q288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 17Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-2E\" d=\"M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMATHI-6E\" d=\"M21 287Q22 293 24 303T36 341T56 388T89 425T135 442Q171 442 195 424T225 390T231 369Q231 367 232 367L243 378Q304 442 382 442Q436 442 469 415T503 336T465 179T427 52Q427 26 444 26Q450 26 453 27Q482 32 505 65T540 145Q542 153 560 153Q580 153 580 145Q580 144 576 130Q568 101 554 73T508 17T439 -10Q392 -10 371 17T350 73Q350 92 386 193T423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 180T152 343Q153 348 153 366Q153 405 129 405Q91 405 66 305Q60 285 60 284Q58 278 41 278H27Q21 284 21 287Z\"><\/path><path stroke-width=\"0\" id=\"E1172-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1172-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1172-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><use xlink:href=\"#E1172-MJMAIN-3D\" x=\"861\" y=\"0\"><\/use><g transform=\"translate(1916,0)\"><use xlink:href=\"#E1172-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1172-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1172-MJMAIN-28\" x=\"2500\" y=\"0\"><\/use><g transform=\"translate(2889,0)\"><use xlink:href=\"#E1172-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1172-MJMAIN-31\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1172-MJMAIN-2C\" x=\"4170\" y=\"0\"><\/use><g transform=\"translate(4615,0)\"><use xlink:href=\"#E1172-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1172-MJMAIN-32\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1172-MJMAIN-2C\" x=\"5896\" y=\"0\"><\/use><use xlink:href=\"#E1172-MJMAIN-2E\" x=\"6341\" y=\"0\"><\/use><use xlink:href=\"#E1172-MJMAIN-2E\" x=\"6786\" y=\"0\"><\/use><use xlink:href=\"#E1172-MJMAIN-2E\" x=\"7230\" y=\"0\"><\/use><use xlink:href=\"#E1172-MJMAIN-2C\" x=\"7675\" y=\"0\"><\/use><g transform=\"translate(8120,0)\"><use xlink:href=\"#E1172-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1172-MJMATHI-6E\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1172-MJMAIN-29\" x=\"9472\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}=\\hat{\\theta}(X_{1}, X_{2}, ..., X_{n})<\/script>\uff0c\u79f0\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684<strong>\u4f30\u8ba1\u91cf<\/strong>\u6216\u79f0\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684<strong>\u70b9\u4f30\u8ba1<\/strong>\u3002<\/p>\n<p><strong>Remark\uff1a<\/strong> \u70b9\u4f30\u8ba1\u672c\u8d28\u5c31\u662f\u7528<strong>\u6837\u672c\u7edf\u8ba1\u91cf\u76f4\u63a5\u4f5c\u4e3a\u603b\u4f53\u53c2\u6570\u7684\u4f30\u8ba1\u503c<\/strong><\/p>\n<ul>\n<li>\u53c2\u6570\u662f\u603b\u4f53\u7684\u5c5e\u6027\uff0c\u800c\u7edf\u8ba1\u91cf\u662f\u9488\u5bf9\u6837\u672c\u7684\u8ba1\u7b97<\/li>\n\n<\/ul>\n<ul>\n<li>\u70b9\u4f30\u8ba1\u6d41\u7a0b\uff1a\u6837\u672c \u2192 \u6837\u672c\u7edf\u8ba1\u91cf<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script> \u2192 \u603b\u4f53\u53c2\u6570<\/li>\n\n<\/ul>\n<h3>\uff08\u4e00\uff09\u77e9\u4f30\u8ba1\u6cd5<\/h3>\n<h4>1. \u6838\u5fc3\u539f\u7406\uff1a\u66ff\u6362\u539f\u7406<\/h4>\n<ul>\n<li>\u7528<strong>\u6837\u672c\u77e9<\/strong>\u66ff\u6362<strong>\u603b\u4f53\u77e9<\/strong>\uff08\u77e9\u5305\u62ec\u539f\u70b9\u77e9\u548c\u4e2d\u5fc3\u77e9\uff09<\/li>\n<li>\u7528<strong>\u6837\u672c\u77e9\u7684\u51fd\u6570<\/strong>\u66ff\u6362<strong>\u603b\u4f53\u77e9\u7684\u51fd\u6570<\/strong><\/li>\n\n<\/ul>\n<h4>2. \u77e9\u7684\u5206\u7c7b\u4e0e\u8ba1\u7b97\u516c\u5f0f<\/h4>\n<figure><table>\n<thead>\n<tr><th>\u77e9\u7c7b\u578b<\/th><th>\u603b\u4f53\u77e9\uff08\u5b9a\u4e49\uff09<\/th><th>\u6837\u672c\u77e9\uff08\u8ba1\u7b97\u516c\u5f0f\uff09<\/th><\/tr><\/thead>\n<tbody><tr><td>k \u9636\u539f\u70b9\u77e9<\/td><td><span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"11.338ex\" height=\"2.811ex\" viewBox=\"0 -906.7 4881.6 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1176-MJMATHI-61\" d=\"M33 157Q33 258 109 349T280 441Q331 441 370 392Q386 422 416 422Q429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35Q443 55 463 131Q469 151 473 152Q475 153 483 153H487Q506 153 506 144Q506 138 501 117T481 63T449 13Q436 0 417 -8Q409 -10 393 -10Q359 -10 336 5T306 36L300 51Q299 52 296 50Q294 48 292 46Q233 -10 172 -10Q117 -10 75 30T33 157ZM351 328Q351 334 346 350T323 385T277 405Q242 405 210 374T160 293Q131 214 119 129Q119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z\"><\/path><path stroke-width=\"0\" id=\"E1176-MJMATHI-6B\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><path stroke-width=\"0\" id=\"E1176-MJMAIN-3D\" d=\"M56 347Q56 360 70 367H707Q722 359 722 347Q722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153Q722 140 707 133H70Q56 140 56 153Z\"><\/path><path stroke-width=\"0\" id=\"E1176-MJAMS-45\" d=\"M12 666Q12 675 24 683H582Q590 680 593 672V588Q593 514 591 502T575 490Q567 490 563 495T555 517Q552 556 517 590Q486 623 445 634T340 648H282Q266 636 264 620T260 492V370H277Q329 375 358 391T404 439Q420 480 420 506Q420 529 436 529Q445 529 451 521Q455 517 455 361Q455 333 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y=\"0\"><\/use><use xlink:href=\"#E1178-MJAMS-45\" x=\"5639\" y=\"0\"><\/use><use xlink:href=\"#E1178-MJMAIN-28\" x=\"6306\" y=\"0\"><\/use><use xlink:href=\"#E1178-MJMATHI-58\" x=\"6695\" y=\"0\"><\/use><use xlink:href=\"#E1178-MJMAIN-29\" x=\"7547\" y=\"0\"><\/use><g transform=\"translate(7936,0)\"><use xlink:href=\"#E1178-MJMAIN-29\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1178-MJMATHI-6B\" x=\"550\" y=\"513\"><\/use><\/g><use xlink:href=\"#E1178-MJMAIN-5D\" x=\"8793\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">b_{k}=\\mathbb{E}[(X-\\mathbb{E}(X))^{k}]<\/script>\uff08\u56f4\u7ed5\u671f\u671b\u7684\u77e9\uff09<\/td><td><span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"23.942ex\" height=\"3.278ex\" viewBox=\"0 -956.9 10308.3 1411.3\" role=\"img\" focusable=\"false\" style=\"vertical-align: -1.055ex;\"><defs><path stroke-width=\"0\" 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y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1179-MJMATHI-69\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1179-MJMAIN-2212\" x=\"7598\" y=\"0\"><\/use><g transform=\"translate(8598,0)\"><use xlink:href=\"#E1179-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1179-MJMAIN-AF\" x=\"274\" y=\"214\"><\/use><\/g><g transform=\"translate(9450,0)\"><use xlink:href=\"#E1179-MJMAIN-29\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1179-MJMATHI-6B\" x=\"550\" y=\"513\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">B_{k}=\\frac{1}{n} \\sum_{i=1}^{n}(X_{i}-\\bar{X})^{k}<\/script>\uff08<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.979ex\" height=\"2.227ex\" viewBox=\"0 -906.7 852 958.9\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.121ex;\"><defs><path stroke-width=\"0\" id=\"E1181-MJMATHI-58\" d=\"M42 0H40Q26 0 26 11Q26 15 29 27Q33 41 36 43T55 46Q141 49 190 98Q200 108 306 224T411 342Q302 620 297 625Q288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1181-MJMAIN-AF\" d=\"M69 544V590H430V544H69Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1181-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1181-MJMAIN-AF\" x=\"274\" y=\"214\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\bar{X}<\/script>\u4e3a\u6837\u672c\u5747\u503c\uff09<\/td><\/tr><\/tbody>\n<\/table><\/figure>\n<h4>3. \u9002\u7528\u573a\u666f<\/h4>\n<ul>\n<li><p>\u5373\u4f7f<strong>\u603b\u4f53\u5206\u5e03\u5f62\u5f0f\u672a\u77e5<\/strong>\uff0c\u4ecd\u53ef\u4f30\u8ba1\u53c2\u6570<\/p>\n<\/li>\n<li><p>\u5e38\u89c1\u5e94\u7528\uff1a<\/p>\n<ul>\n<li>\u6837\u672c\u5747\u503c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.979ex\" height=\"2.227ex\" viewBox=\"0 -906.7 852 958.9\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.121ex;\"><defs><path stroke-width=\"0\" id=\"E1181-MJMATHI-58\" d=\"M42 0H40Q26 0 26 11Q26 15 29 27Q33 41 36 43T55 46Q141 49 190 98Q200 108 306 224T411 342Q302 620 297 625Q288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1181-MJMAIN-AF\" d=\"M69 544V590H430V544H69Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1181-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1181-MJMAIN-AF\" x=\"274\" y=\"214\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\bar{X}<\/script> \u2192 \u603b\u4f53\u5747\u503c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"5.335ex\" height=\"2.577ex\" viewBox=\"0 -806.1 2297 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1182-MJAMS-45\" d=\"M12 666Q12 675 24 683H582Q590 680 593 672V588Q593 514 591 502T575 490Q567 490 563 495T555 517Q552 556 517 590Q486 623 445 634T340 648H282Q266 636 264 620T260 492V370H277Q329 375 358 391T404 439Q420 480 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46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1182-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1182-MJAMS-45\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1182-MJMAIN-28\" x=\"667\" y=\"0\"><\/use><use xlink:href=\"#E1182-MJMATHI-58\" x=\"1056\" y=\"0\"><\/use><use xlink:href=\"#E1182-MJMAIN-29\" x=\"1908\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\mathbb{E}(X)<\/script><\/li>\n<li>\u6837\u672c\u65e0\u504f\u65b9\u5dee<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"2.574ex\" height=\"2.344ex\" viewBox=\"0 -906.7 1108.2 1009.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1183-MJMATHI-53\" d=\"M308 24Q367 24 416 76T466 197Q466 260 414 284Q308 311 278 321T236 341Q176 383 176 462Q176 523 208 573T273 648Q302 673 343 688T407 704H418H425Q521 704 564 640Q565 640 577 653T603 682T623 704Q624 704 627 704T632 705Q645 705 645 698T617 577T585 459T569 456Q549 456 549 465Q549 471 550 475Q550 478 551 494T553 520Q553 554 544 579T526 616T501 641Q465 662 419 662Q362 662 313 616T263 510Q263 480 278 458T319 427Q323 425 389 408T456 390Q490 379 522 342T554 242Q554 216 546 186Q541 164 528 137T492 78T426 18T332 -20Q320 -22 298 -22Q199 -22 144 33L134 44L106 13Q83 -14 78 -18T65 -22Q52 -22 52 -14Q52 -11 110 221Q112 227 130 227H143Q149 221 149 216Q149 214 148 207T144 186T142 153Q144 114 160 87T203 47T255 29T308 24Z\"><\/path><path stroke-width=\"0\" id=\"E1183-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1183-MJMATHI-53\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1183-MJMAIN-32\" x=\"925\" y=\"513\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">S^{2}<\/script> \u2192 \u603b\u4f53\u65b9\u5dee<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"8.979ex\" height=\"2.577ex\" viewBox=\"0 -806.1 3866 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1184-MJMAIN-56\" d=\"M114 620Q113 621 110 624T107 627T103 630T98 632T91 634T80 635T67 636T48 637H19V683H28Q46 680 152 680Q273 680 294 683H305V637H284Q223 634 223 620Q223 618 313 372T404 126L490 358Q575 588 575 597Q575 616 554 626T508 637H503V683H512Q527 680 627 680Q718 680 724 683H730V637H723Q648 637 627 596Q627 595 515 291T401 -14Q396 -22 382 -22H374H367Q353 -22 348 -14Q346 -12 231 303Q114 617 114 620Z\"><\/path><path stroke-width=\"0\" id=\"E1184-MJMAIN-41\" d=\"M255 0Q240 3 140 3Q48 3 39 0H32V46H47Q119 49 139 88Q140 91 192 245T295 553T348 708Q351 716 366 716H376Q396 715 400 709Q402 707 508 390L617 67Q624 54 636 51T687 46H717V0H708Q699 3 581 3Q458 3 437 0H427V46H440Q510 46 510 64Q510 66 486 138L462 209H229L209 150Q189 91 189 85Q189 72 209 59T259 46H264V0H255ZM447 255L345 557L244 256Q244 255 345 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type=\"math\/tex\">\\text{VAR}(X)<\/script>\uff08\u65e0\u7279\u6b8a\u8bf4\u660e\u65f6\uff0c\u6837\u672c\u65b9\u5dee\u9ed8\u8ba4\u65e0\u504f\uff09<\/li>\n<li>\u4e8b\u4ef6 A \u7684\u9891\u7387 \u2192 \u4e8b\u4ef6 A \u7684\u6982\u7387<\/li>\n\n<\/ul>\n<\/li>\n\n<\/ul>\n<h4>4. \u8ba1\u7b97\u6b65\u9aa4<\/h4>\n<ol>\n<li>\u786e\u5b9a\u603b\u4f53\u5206\u5e03\u4e2d\u542b\u6709\u7684 m \u4e2a\u672a\u77e5\u53c2\u6570<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"13.246ex\" height=\"2.461ex\" viewBox=\"0 -806.1 5702.9 1059.4\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.588ex;\"><defs><path stroke-width=\"0\" id=\"E1185-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1185-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1185-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 17Z\"><\/path><path stroke-width=\"0\" id=\"E1185-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1185-MJMAIN-2E\" d=\"M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z\"><\/path><path stroke-width=\"0\" id=\"E1185-MJMATHI-6D\" d=\"M21 287Q22 293 24 303T36 341T56 388T88 425T132 442T175 435T205 417T221 395T229 376L231 369Q231 367 232 367L243 378Q303 442 384 442Q401 442 415 440T441 433T460 423T475 411T485 398T493 385T497 373T500 364T502 357L510 367Q573 442 659 442Q713 442 746 415T780 336Q780 285 742 178T704 50Q705 36 709 31T724 26Q752 26 776 56T815 138Q818 149 821 151T837 153Q857 153 857 145Q857 144 853 130Q845 101 831 73T785 17T716 -10Q669 -10 648 17T627 73Q627 92 663 193T700 345Q700 404 656 404H651Q565 404 506 303L499 291L466 157Q433 26 428 16Q415 -11 385 -11Q372 -11 364 -4T353 8T350 18Q350 29 384 161L420 307Q423 322 423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 181Q151 335 151 342Q154 357 154 369Q154 405 129 405Q107 405 92 377T69 316T57 280Q55 278 41 278H27Q21 284 21 287Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1185-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1185-MJMAIN-31\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1185-MJMAIN-2C\" x=\"922\" y=\"0\"><\/use><g transform=\"translate(1367,0)\"><use xlink:href=\"#E1185-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1185-MJMAIN-32\" x=\"663\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1185-MJMAIN-2C\" x=\"2289\" y=\"0\"><\/use><use xlink:href=\"#E1185-MJMAIN-2E\" x=\"2734\" y=\"0\"><\/use><use xlink:href=\"#E1185-MJMAIN-2E\" x=\"3179\" y=\"0\"><\/use><use xlink:href=\"#E1185-MJMAIN-2E\" x=\"3623\" y=\"0\"><\/use><use xlink:href=\"#E1185-MJMAIN-2C\" x=\"4068\" y=\"0\"><\/use><g transform=\"translate(4513,0)\"><use xlink:href=\"#E1185-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1185-MJMATHI-6D\" x=\"663\" y=\"-213\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta_{1}, \\theta_{2}, ..., \\theta_{m}<\/script><\/li>\n<li>\u8ba1\u7b97\u603b\u4f53\u7684 k \u9636\u77e9<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"28.629ex\" height=\"2.811ex\" viewBox=\"0 -906.7 12326.3 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1186-MJMATHI-61\" d=\"M33 157Q33 258 109 349T280 441Q331 441 370 392Q386 422 416 422Q429 422 439 414T449 394Q449 381 412 234T374 68Q374 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10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1186-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1186-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 17Z\"><\/path><path stroke-width=\"0\" id=\"E1186-MJMAIN-2E\" d=\"M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 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y=\"-213\"><\/use><\/g><use xlink:href=\"#E1186-MJMAIN-28\" x=\"3328\" y=\"0\"><\/use><g transform=\"translate(3717,0)\"><use xlink:href=\"#E1186-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1186-MJMAIN-31\" x=\"663\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1186-MJMAIN-2C\" x=\"4639\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJMAIN-2E\" x=\"5084\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJMAIN-2E\" x=\"5529\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJMAIN-2E\" x=\"5973\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJMAIN-2C\" x=\"6418\" y=\"0\"><\/use><g transform=\"translate(6863,0)\"><use xlink:href=\"#E1186-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1186-MJMATHI-6D\" x=\"663\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1186-MJMAIN-29\" x=\"8053\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJMAIN-3D\" x=\"8719\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJAMS-45\" x=\"9775\" y=\"0\"><\/use><use xlink:href=\"#E1186-MJMAIN-5B\" x=\"10442\" y=\"0\"><\/use><g transform=\"translate(10720,0)\"><use xlink:href=\"#E1186-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1186-MJMATHI-6B\" x=\"1215\" y=\"513\"><\/use><\/g><use xlink:href=\"#E1186-MJMAIN-5D\" x=\"12048\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">a_{k}=a_{k}(\\theta_{1}, ..., \\theta_{m})=\\mathbb{E}[X^{k}]<\/script>\uff08k=1,2,&#8230;,m\uff09<\/li>\n<li>\u8ba1\u7b97\u6837\u672c\u7684 k \u9636\u77e9<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"16.957ex\" height=\"3.278ex\" viewBox=\"0 -956.9 7300.8 1411.3\" role=\"img\" focusable=\"false\" style=\"vertical-align: -1.055ex;\"><defs><path stroke-width=\"0\" id=\"E1187-MJMATHI-41\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path stroke-width=\"0\" id=\"E1187-MJMATHI-6B\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><path stroke-width=\"0\" id=\"E1187-MJMAIN-3D\" d=\"M56 347Q56 360 70 367H707Q722 359 722 347Q722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153Q722 140 707 133H70Q56 140 56 153Z\"><\/path><path stroke-width=\"0\" id=\"E1187-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1187-MJMATHI-6E\" d=\"M21 287Q22 293 24 303T36 341T56 388T89 425T135 442Q171 442 195 424T225 390T231 369Q231 367 232 367L243 378Q304 442 382 442Q436 442 469 415T503 336T465 179T427 52Q427 26 444 26Q450 26 453 27Q482 32 505 65T540 145Q542 153 560 153Q580 153 580 145Q580 144 576 130Q568 101 554 73T508 17T439 -10Q392 -10 371 17T350 73Q350 92 386 193T423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 180T152 343Q153 348 153 366Q153 405 129 405Q91 405 66 305Q60 285 60 284Q58 278 41 278H27Q21 284 21 287Z\"><\/path><path stroke-width=\"0\" id=\"E1187-MJSZ1-2211\" d=\"M61 748Q64 750 489 750H913L954 640Q965 609 976 579T993 533T999 516H979L959 517Q936 579 886 621T777 682Q724 700 655 705T436 710H319Q183 710 183 709Q186 706 348 484T511 259Q517 250 513 244L490 216Q466 188 420 134T330 27L149 -187Q149 -188 362 -188Q388 -188 436 -188T506 -189Q679 -189 778 -162T936 -43Q946 -27 959 6H999L913 -249L489 -250Q65 -250 62 -248Q56 -246 56 -239Q56 -234 118 -161Q186 -81 245 -11L428 206Q428 207 242 462L57 717L56 728Q56 744 61 748Z\"><\/path><path stroke-width=\"0\" id=\"E1187-MJMATHI-69\" d=\"M184 600Q184 624 203 642T247 661Q265 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683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1187-MJMATHI-41\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMATHI-6B\" x=\"1060\" y=\"-213\"><\/use><use xlink:href=\"#E1187-MJMAIN-3D\" x=\"1496\" y=\"0\"><\/use><g transform=\"translate(2274,0)\"><g transform=\"translate(397,0)\"><rect stroke=\"none\" width=\"544\" height=\"60\" x=\"0\" y=\"220\"><\/rect><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMAIN-31\" x=\"134\" y=\"571\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMATHI-6E\" x=\"84\" y=\"-488\"><\/use><\/g><\/g><g transform=\"translate(3502,0)\"><use xlink:href=\"#E1187-MJSZ1-2211\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMATHI-6E\" x=\"1493\" y=\"674\"><\/use><g transform=\"translate(1056,-286)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMATHI-69\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMAIN-3D\" x=\"345\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMAIN-31\" x=\"1123\" y=\"0\"><\/use><\/g><\/g><g transform=\"translate(5973,0)\"><use xlink:href=\"#E1187-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMATHI-6B\" x=\"1215\" y=\"498\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1187-MJMATHI-69\" x=\"1170\" y=\"-429\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">A_{k}=\\frac{1}{n} \\sum_{i=1}^{n} X_{i}^{k}<\/script><\/li>\n<li>\u5efa\u7acb\u65b9\u7a0b\uff1a\u4ee4<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"8.244ex\" height=\"2.461ex\" viewBox=\"0 -806.1 3549.4 1059.4\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.588ex;\"><defs><path stroke-width=\"0\" id=\"E1188-MJMATHI-41\" d=\"M208 74Q208 50 254 46Q272 46 272 35Q272 34 270 22Q267 8 264 4T251 0Q249 0 239 0T205 1T141 2Q70 2 50 0H42Q35 7 35 11Q37 38 48 46H62Q132 49 164 96Q170 102 345 401T523 704Q530 716 547 716H555H572Q578 707 578 706L606 383Q634 60 636 57Q641 46 701 46Q726 46 726 36Q726 34 723 22Q720 7 718 4T704 0Q701 0 690 0T651 1T578 2Q484 2 455 0H443Q437 6 437 9T439 27Q443 40 445 43L449 46H469Q523 49 533 63L521 213H283L249 155Q208 86 208 74ZM516 260Q516 271 504 416T490 562L463 519Q447 492 400 412L310 260L413 259Q516 259 516 260Z\"><\/path><path stroke-width=\"0\" id=\"E1188-MJMATHI-6B\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><path stroke-width=\"0\" id=\"E1188-MJMAIN-3D\" d=\"M56 347Q56 360 70 367H707Q722 359 722 347Q722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153Q722 140 707 133H70Q56 140 56 153Z\"><\/path><path stroke-width=\"0\" id=\"E1188-MJMATHI-61\" d=\"M33 157Q33 258 109 349T280 441Q331 441 370 392Q386 422 416 422Q429 422 439 414T449 394Q449 381 412 234T374 68Q374 43 381 35T402 26Q411 27 422 35Q443 55 463 131Q469 151 473 152Q475 153 483 153H487Q506 153 506 144Q506 138 501 117T481 63T449 13Q436 0 417 -8Q409 -10 393 -10Q359 -10 336 5T306 36L300 51Q299 52 296 50Q294 48 292 46Q233 -10 172 -10Q117 -10 75 30T33 157ZM351 328Q351 334 346 350T323 385T277 405Q242 405 210 374T160 293Q131 214 119 129Q119 126 119 118T118 106Q118 61 136 44T179 26Q217 26 254 59T298 110Q300 114 325 217T351 328Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1188-MJMATHI-41\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1188-MJMATHI-6B\" x=\"1060\" y=\"-213\"><\/use><use xlink:href=\"#E1188-MJMAIN-3D\" x=\"1496\" y=\"0\"><\/use><g transform=\"translate(2551,0)\"><use xlink:href=\"#E1188-MJMATHI-61\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1188-MJMATHI-6B\" x=\"748\" y=\"-213\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">A_{k}=a_{k}<\/script>\uff0c\u5f62\u6210 m \u4e2a\u5173\u4e8e\u672a\u77e5\u53c2\u6570\u7684\u65b9\u7a0b\u7ec4<\/li>\n<li>\u6c42\u89e3\u65b9\u7a0b\u7ec4\uff0c\u5f97\u5230\u4f30\u8ba1\u91cf<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"13.246ex\" height=\"2.928ex\" viewBox=\"0 -1007.2 5702.9 1260.5\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.588ex;\"><defs><path stroke-width=\"0\" id=\"E1189-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1189-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1189-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><path stroke-width=\"0\" id=\"E1189-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 17Z\"><\/path><path stroke-width=\"0\" id=\"E1189-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1189-MJMAIN-2E\" d=\"M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60Z\"><\/path><path stroke-width=\"0\" id=\"E1189-MJMATHI-6D\" d=\"M21 287Q22 293 24 303T36 341T56 388T88 425T132 442T175 435T205 417T221 395T229 376L231 369Q231 367 232 367L243 378Q303 442 384 442Q401 442 415 440T441 433T460 423T475 411T485 398T493 385T497 373T500 364T502 357L510 367Q573 442 659 442Q713 442 746 415T780 336Q780 285 742 178T704 50Q705 36 709 31T724 26Q752 26 776 56T815 138Q818 149 821 151T837 153Q857 153 857 145Q857 144 853 130Q845 101 831 73T785 17T716 -10Q669 -10 648 17T627 73Q627 92 663 193T700 345Q700 404 656 404H651Q565 404 506 303L499 291L466 157Q433 26 428 16Q415 -11 385 -11Q372 -11 364 -4T353 8T350 18Q350 29 384 161L420 307Q423 322 423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 181Q151 335 151 342Q154 357 154 369Q154 405 129 405Q107 405 92 377T69 316T57 280Q55 278 41 278H27Q21 284 21 287Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1189-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1189-MJMAIN-31\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1189-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><use xlink:href=\"#E1189-MJMAIN-2C\" x=\"922\" y=\"0\"><\/use><g transform=\"translate(1367,0)\"><use xlink:href=\"#E1189-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1189-MJMAIN-32\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1189-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1189-MJMAIN-2C\" x=\"2289\" y=\"0\"><\/use><use xlink:href=\"#E1189-MJMAIN-2E\" x=\"2734\" y=\"0\"><\/use><use xlink:href=\"#E1189-MJMAIN-2E\" x=\"3179\" y=\"0\"><\/use><use xlink:href=\"#E1189-MJMAIN-2E\" x=\"3623\" y=\"0\"><\/use><use xlink:href=\"#E1189-MJMAIN-2C\" x=\"4068\" y=\"0\"><\/use><g transform=\"translate(4513,0)\"><use xlink:href=\"#E1189-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1189-MJMATHI-6D\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1189-MJMAIN-5E\" x=\"344\" y=\"249\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta_{1}}, \\hat{\\theta_{2}}, ..., \\hat{\\theta_{m}}<\/script><\/li>\n\n<\/ol>\n<h3>\uff08\u4e8c\uff09\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\u6cd5<\/h3>\n<h4>1. \u6838\u5fc3\u539f\u7406\uff1a\u6781\u5927\u4f3c\u7136\u539f\u7406<\/h4>\n<p>\u5df2\u83b7\u5f97\u6837\u672c\u65f6\uff0c\u63a8\u65ad \u201c\u4f7f\u8be5\u6837\u672c\u51fa\u73b0\u6982\u7387\u6700\u5927\u7684\u53c2\u6570\u201d \u4e3a\u603b\u4f53\u53c2\u6570\u7684\u4f30\u8ba1\u503c\u3002<\/p>\n<h4>2. \u5b9a\u4e49<\/h4>\n<p>\u8bbe\u603b\u4f53\u6982\u7387\u51fd\u6570\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"7.167ex\" height=\"2.577ex\" viewBox=\"-39 -806.1 3085.7 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex; margin-left: -0.091ex;\"><defs><path stroke-width=\"0\" id=\"E1190-MJMATHI-70\" d=\"M23 287Q24 290 25 295T30 317T40 348T55 381T75 411T101 433T134 442Q209 442 230 378L240 387Q302 442 358 442Q423 442 460 395T497 281Q497 173 421 82T249 -10Q227 -10 210 -4Q199 1 187 11T168 28L161 36Q160 35 139 -51T118 -138Q118 -144 126 -145T163 -148H188Q194 -155 194 -157T191 -175Q188 -187 185 -190T172 -194Q170 -194 161 -194T127 -193T65 -192Q-5 -192 -24 -194H-32Q-39 -187 -39 -183Q-37 -156 -26 -148H-6Q28 -147 33 -136Q36 -130 94 103T155 350Q156 355 156 364Q156 405 131 405Q109 405 94 377T71 316T59 280Q57 278 43 278H29Q23 284 23 287ZM178 102Q200 26 252 26Q282 26 310 49T356 107Q374 141 392 215T411 325V331Q411 405 350 405Q339 405 328 402T306 393T286 380T269 365T254 350T243 336T235 326L232 322Q232 321 229 308T218 264T204 212Q178 106 178 102Z\"><\/path><path stroke-width=\"0\" id=\"E1190-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1190-MJMATHI-58\" d=\"M42 0H40Q26 0 26 11Q26 15 29 27Q33 41 36 43T55 46Q141 49 190 98Q200 108 306 224T411 342Q302 620 297 625Q288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1190-MJMAIN-3B\" d=\"M78 370Q78 394 95 412T138 430Q162 430 180 414T199 371Q199 346 182 328T139 310T96 327T78 370ZM78 60Q78 85 94 103T137 121Q202 121 202 8Q202 -44 183 -94T144 -169T118 -194Q115 -194 106 -186T95 -174Q94 -171 107 -155T137 -107T160 -38Q161 -32 162 -22T165 -4T165 4Q165 5 161 4T142 0Q110 0 94 18T78 60Z\"><\/path><path stroke-width=\"0\" id=\"E1190-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1190-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1190-MJMATHI-70\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1190-MJMAIN-28\" x=\"503\" y=\"0\"><\/use><use xlink:href=\"#E1190-MJMATHI-58\" x=\"892\" y=\"0\"><\/use><use xlink:href=\"#E1190-MJMAIN-3B\" x=\"1744\" y=\"0\"><\/use><use xlink:href=\"#E1190-MJMATHI-3B8\" x=\"2188\" y=\"0\"><\/use><use xlink:href=\"#E1190-MJMAIN-29\" x=\"2657\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">p(X;\\theta)<\/script>\uff0c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"5.736ex\" height=\"2.11ex\" viewBox=\"0 -806.1 2469.6 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1231-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1231-MJMAIN-2208\" d=\"M84 250Q84 372 166 450T360 539Q361 539 377 539T419 540T469 540H568Q583 532 583 520Q583 511 570 501L466 500Q355 499 329 494Q280 482 242 458T183 409T147 354T129 306T124 272V270H568Q583 262 583 250T568 230H124V228Q124 207 134 177T167 112T231 48T328 7Q355 1 466 0H570Q583 -10 583 -20Q583 -32 568 -40H471Q464 -40 446 -40T417 -41Q262 -41 172 45Q84 127 84 250Z\"><\/path><path stroke-width=\"0\" id=\"E1231-MJMAIN-398\" d=\"M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM610 339Q610 428 590 495T535 598T463 651T384 668Q332 668 289 638T221 566Q168 485 168 339Q168 274 176 235Q189 158 228 105T324 28Q356 16 388 16Q415 16 442 24T501 54T555 111T594 205T610 339ZM223 263V422H263V388H514V422H554V263H514V297H263V263H223Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1231-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1231-MJMAIN-2208\" x=\"746\" y=\"0\"><\/use><use xlink:href=\"#E1231-MJMAIN-398\" x=\"1691\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta\\in\\Theta<\/script>\uff0c\u5176\u4e2d<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u662f\u4e00\u4e2a\u672a\u77e5\u53c2\u6570\u6216\u51e0\u4e2a\u672a\u77e5\u53c2\u6570\u7ec4\u6210\u7684\u53c2\u6570\u53d8\u91cf\uff0c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.807ex\" height=\"2.11ex\" viewBox=\"0 -806.1 778 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1193-MJMAIN-398\" d=\"M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM610 339Q610 428 590 495T535 598T463 651T384 668Q332 668 289 638T221 566Q168 485 168 339Q168 274 176 235Q189 158 228 105T324 28Q356 16 388 16Q415 16 442 24T501 54T555 111T594 205T610 339ZM223 263V422H263V388H514V422H554V263H514V297H263V263H223Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1193-MJMAIN-398\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\Theta<\/script>\u662f\u53c2\u6570\u7a7a\u95f4\u3002<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"15.301ex\" height=\"2.344ex\" viewBox=\"0 -755.9 6588 1009.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.588ex;\"><defs><path stroke-width=\"0\" id=\"E1194-MJMATHI-58\" d=\"M42 0H40Q26 0 26 11Q26 15 29 27Q33 41 36 43T55 46Q141 49 190 98Q200 108 306 224T411 342Q302 620 297 625Q288 636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1194-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1194-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 17Z\"><\/path><path stroke-width=\"0\" id=\"E1194-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1194-MJMAIN-2026\" d=\"M78 60Q78 84 95 102T138 120Q162 120 180 104T199 61Q199 36 182 18T139 0T96 17T78 60ZM525 60Q525 84 542 102T585 120Q609 120 627 104T646 61Q646 36 629 18T586 0T543 17T525 60ZM972 60Q972 84 989 102T1032 120Q1056 120 1074 104T1093 61Q1093 36 1076 18T1033 0T990 17T972 60Z\"><\/path><path stroke-width=\"0\" id=\"E1194-MJMATHI-6E\" d=\"M21 287Q22 293 24 303T36 341T56 388T89 425T135 442Q171 442 195 424T225 390T231 369Q231 367 232 367L243 378Q304 442 382 442Q436 442 469 415T503 336T465 179T427 52Q427 26 444 26Q450 26 453 27Q482 32 505 65T540 145Q542 153 560 153Q580 153 580 145Q580 144 576 130Q568 101 554 73T508 17T439 -10Q392 -10 371 17T350 73Q350 92 386 193T423 345Q423 404 379 404H374Q288 404 229 303L222 291L189 157Q156 26 151 16Q138 -11 108 -11Q95 -11 87 -5T76 7T74 17Q74 30 112 180T152 343Q153 348 153 366Q153 405 129 405Q91 405 66 305Q60 285 60 284Q58 278 41 278H27Q21 284 21 287Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1194-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1194-MJMAIN-31\" x=\"1170\" y=\"-213\"><\/use><use xlink:href=\"#E1194-MJMAIN-2C\" x=\"1281\" y=\"0\"><\/use><g transform=\"translate(1726,0)\"><use xlink:href=\"#E1194-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1194-MJMAIN-32\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1194-MJMAIN-2C\" x=\"3007\" y=\"0\"><\/use><use xlink:href=\"#E1194-MJMAIN-2026\" x=\"3452\" y=\"0\"><\/use><use xlink:href=\"#E1194-MJMAIN-2C\" x=\"4791\" y=\"0\"><\/use><g transform=\"translate(5235,0)\"><use xlink:href=\"#E1194-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1194-MJMATHI-6E\" x=\"1170\" y=\"-213\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">X_1, X_2, \\dots, X_n<\/script>\u662f\u6765\u81ea\u603b\u4f53\u7684\u6837\u672c\uff0c\u5c06\u6837\u672c\u7684<strong>\u8054\u5408\u6982\u7387\u5bc6\u5ea6\u51fd\u6570<\/strong>\u770b\u6210\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u51fd\u6570\uff0c\u7528<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"20.812ex\" height=\"2.577ex\" viewBox=\"0 -806.1 8960.7 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1196-MJMATHI-4C\" d=\"M228 637Q194 637 192 641Q191 643 191 649Q191 673 202 682Q204 683 217 683Q271 680 344 680Q485 680 506 683H518Q524 677 524 674T522 656Q517 641 513 637H475Q406 636 394 628Q387 624 380 600T313 336Q297 271 279 198T252 88L243 52Q243 48 252 48T311 46H328Q360 46 379 47T428 54T478 72T522 106T564 161Q580 191 594 228T611 270Q616 273 628 273H641Q647 264 647 262T627 203T583 83T557 9Q555 4 553 3T537 0T494 -1Q483 -1 418 -1T294 0H116Q32 0 32 10Q32 17 34 24Q39 43 44 45Q48 46 59 46H65Q92 46 125 49Q139 52 144 61Q147 65 216 339T285 628Q285 635 228 637Z\"><\/path><path stroke-width=\"0\" id=\"E1196-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1196-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path 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y=\"0\"><\/use><g transform=\"translate(3709,0)\"><use xlink:href=\"#E1196-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1196-MJMAIN-32\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1196-MJMAIN-2C\" x=\"4991\" y=\"0\"><\/use><use xlink:href=\"#E1196-MJMAIN-2026\" x=\"5436\" y=\"0\"><\/use><use xlink:href=\"#E1196-MJMAIN-2C\" x=\"6774\" y=\"0\"><\/use><g transform=\"translate(7219,0)\"><use xlink:href=\"#E1196-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1196-MJMATHI-6E\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1196-MJMAIN-29\" x=\"8571\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">L(\\theta, X_1, X_2, \\dots, X_n)<\/script>\u8868\u793a\uff0c\u7b80\u8bb0<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"4.478ex\" height=\"2.577ex\" viewBox=\"0 -806.1 1928 1109.7\" 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343Q153 348 153 366Q153 405 129 405Q91 405 66 305Q60 285 60 284Q58 278 41 278H27Q21 284 21 287Z\"><\/path><path stroke-width=\"0\" id=\"E1199-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1199-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1199-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><use xlink:href=\"#E1199-MJMAIN-3D\" x=\"861\" y=\"0\"><\/use><g transform=\"translate(1916,0)\"><use xlink:href=\"#E1199-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1199-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1199-MJMAIN-28\" x=\"2500\" y=\"0\"><\/use><g transform=\"translate(2889,0)\"><use xlink:href=\"#E1199-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1199-MJMAIN-31\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1199-MJMAIN-2C\" x=\"4170\" y=\"0\"><\/use><g transform=\"translate(4615,0)\"><use xlink:href=\"#E1199-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1199-MJMAIN-32\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1199-MJMAIN-2C\" x=\"5896\" y=\"0\"><\/use><use xlink:href=\"#E1199-MJMAIN-2026\" x=\"6341\" y=\"0\"><\/use><use xlink:href=\"#E1199-MJMAIN-2C\" x=\"7680\" y=\"0\"><\/use><g transform=\"translate(8124,0)\"><use xlink:href=\"#E1199-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1199-MJMATHI-6E\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1199-MJMAIN-29\" x=\"9477\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta} = \\hat{\\theta}(X_1, X_2, \\dots, X_n)<\/script>\u6ee1\u8db3\u3002<\/p>\n<div 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stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><g transform=\"translate(32546,0)\"><g id=\"mjx-eqn-2\" transform=\"translate(0,180)\"><use xlink:href=\"#E1163-MJMAIN-28\"><\/use><use xlink:href=\"#E1163-MJMAIN-32\" x=\"389\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-29\" x=\"889\" y=\"0\"><\/use><\/g><\/g><g transform=\"translate(13281,0)\"><g transform=\"translate(-15,0)\"><g transform=\"translate(0,180)\"><use xlink:href=\"#E1163-MJMATHI-4C\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-28\" x=\"681\" y=\"0\"><\/use><g transform=\"translate(1070,0)\"><use xlink:href=\"#E1163-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1163-MJMAIN-29\" x=\"1653\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-3D\" x=\"2320\" y=\"0\"><\/use><g transform=\"translate(3375,0)\"><use xlink:href=\"#E1163-MJMAIN-6D\"><\/use><use xlink:href=\"#E1163-MJMAIN-61\" x=\"833\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-78\" x=\"1333\" y=\"0\"><\/use><g transform=\"translate(253,-677)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1163-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1163-MJMAIN-2208\" x=\"469\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1163-MJMAIN-398\" x=\"1136\" y=\"0\"><\/use><\/g><\/g><use xlink:href=\"#E1163-MJMATHI-4C\" x=\"5403\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-28\" x=\"6084\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMATHI-3B8\" x=\"6473\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-29\" x=\"6942\" y=\"0\"><\/use><use xlink:href=\"#E1163-MJMAIN-2C\" x=\"7331\" y=\"0\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1012\">L(\\hat{\\theta}) = \\max_{\\theta \\in \\Theta} L(\\theta),<\/script><\/div><\/div>\n<p>\u5219\u79f0<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684<strong>\u6700\u5927\u4f3c\u7136\u4f30\u8ba1<\/strong>\uff0c\u7b80\u8bb0\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"5.797ex\" height=\"1.994ex\" viewBox=\"0 -755.9 2496 858.4\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1202-MJMATHI-4D\" d=\"M289 629Q289 635 232 637Q208 637 201 638T194 648Q194 649 196 659Q197 662 198 666T199 671T201 676T203 679T207 681T212 683T220 683T232 684Q238 684 262 684T307 683Q386 683 398 683T414 678Q415 674 451 396L487 117L510 154Q534 190 574 254T662 394Q837 673 839 675Q840 676 842 678T846 681L852 683H948Q965 683 988 683T1017 684Q1051 684 1051 673Q1051 668 1048 656T1045 643Q1041 637 1008 637Q968 636 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0T494 -1Q483 -1 418 -1T294 0H116Q32 0 32 10Q32 17 34 24Q39 43 44 45Q48 46 59 46H65Q92 46 125 49Q139 52 144 61Q147 65 216 339T285 628Q285 635 228 637Z\"><\/path><path stroke-width=\"0\" id=\"E1202-MJMATHI-45\" d=\"M492 213Q472 213 472 226Q472 230 477 250T482 285Q482 316 461 323T364 330H312Q311 328 277 192T243 52Q243 48 254 48T334 46Q428 46 458 48T518 61Q567 77 599 117T670 248Q680 270 683 272Q690 274 698 274Q718 274 718 261Q613 7 608 2Q605 0 322 0H133Q31 0 31 11Q31 13 34 25Q38 41 42 43T65 46Q92 46 125 49Q139 52 144 61Q146 66 215 342T285 622Q285 629 281 629Q273 632 228 634H197Q191 640 191 642T193 659Q197 676 203 680H757Q764 676 764 669Q764 664 751 557T737 447Q735 440 717 440H705Q698 445 698 453L701 476Q704 500 704 528Q704 558 697 578T678 609T643 625T596 632T532 634H485Q397 633 392 631Q388 629 386 622Q385 619 355 499T324 377Q347 376 372 376H398Q464 376 489 391T534 472Q538 488 540 490T557 493Q562 493 565 493T570 492T572 491T574 487T577 483L544 351Q511 218 508 216Q505 213 492 213Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1202-MJMATHI-4D\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1202-MJMATHI-4C\" x=\"1051\" y=\"0\"><\/use><use xlink:href=\"#E1202-MJMATHI-45\" x=\"1732\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">MLE<\/script>.<\/p>\n<h4>3. \u8ba1\u7b97\u6b65\u9aa4\uff08\u5e38\u89c4\u60c5\u51b5\uff09<\/h4>\n<ol>\n<li>\u6784\u9020\u4f3c\u7136\u51fd\u6570<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"20.872ex\" height=\"2.811ex\" viewBox=\"0 -856.4 8986.5 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.822ex;\"><defs><path stroke-width=\"0\" id=\"E1203-MJMATHI-4C\" d=\"M228 637Q194 637 192 641Q191 643 191 649Q191 673 202 682Q204 683 217 683Q271 680 344 680Q485 680 506 683H518Q524 677 524 674T522 656Q517 641 513 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46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1203-MJMAIN-3B\" d=\"M78 370Q78 394 95 412T138 430Q162 430 180 414T199 371Q199 346 182 328T139 310T96 327T78 370ZM78 60Q78 85 94 103T137 121Q202 121 202 8Q202 -44 183 -94T144 -169T118 -194Q115 -194 106 -186T95 -174Q94 -171 107 -155T137 -107T160 -38Q161 -32 162 -22T165 -4T165 4Q165 5 161 4T142 0Q110 0 94 18T78 60Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1203-MJMATHI-4C\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMAIN-28\" x=\"681\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMATHI-3B8\" x=\"1070\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMAIN-29\" x=\"1539\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMAIN-3D\" x=\"2205\" y=\"0\"><\/use><g transform=\"translate(3261,0)\"><use xlink:href=\"#E1203-MJSZ1-220F\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1203-MJMATHI-6E\" x=\"1335\" y=\"674\"><\/use><g transform=\"translate(944,-286)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1203-MJMATHI-69\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1203-MJMAIN-3D\" x=\"345\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1203-MJMAIN-31\" x=\"1123\" y=\"0\"><\/use><\/g><\/g><use xlink:href=\"#E1203-MJMATHI-70\" x=\"5619\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMAIN-28\" x=\"6122\" y=\"0\"><\/use><g transform=\"translate(6511,0)\"><use xlink:href=\"#E1203-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1203-MJMATHI-69\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1203-MJMAIN-3B\" x=\"7683\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMATHI-3B8\" x=\"8128\" y=\"0\"><\/use><use xlink:href=\"#E1203-MJMAIN-29\" x=\"8597\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">L(\\theta)=\\prod_{i=1}^{n}p(X_{i};\\theta)<\/script><\/li>\n<li>\u53d6\u5bf9\u6570\u4f3c\u7136\u51fd\u6570\uff08\u7b80\u5316\u6c42\u5bfc\uff09\uff1a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"25.78ex\" height=\"2.811ex\" viewBox=\"0 -856.4 11099.8 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.822ex;\"><defs><path stroke-width=\"0\" id=\"E1204-MJMAIN-6C\" d=\"M42 46H56Q95 46 103 60V68Q103 77 103 91T103 124T104 167T104 217T104 272T104 329Q104 366 104 407T104 482T104 542T103 586T103 603Q100 622 89 628T44 637H26V660Q26 683 28 683L38 684Q48 685 67 686T104 688Q121 689 141 690T171 693T182 694H185V379Q185 62 186 60Q190 52 198 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624 380 600T313 336Q297 271 279 198T252 88L243 52Q243 48 252 48T311 46H328Q360 46 379 47T428 54T478 72T522 106T564 161Q580 191 594 228T611 270Q616 273 628 273H641Q647 264 647 262T627 203T583 83T557 9Q555 4 553 3T537 0T494 -1Q483 -1 418 -1T294 0H116Q32 0 32 10Q32 17 34 24Q39 43 44 45Q48 46 59 46H65Q92 46 125 49Q139 52 144 61Q147 65 216 339T285 628Q285 635 228 637Z\"><\/path><path stroke-width=\"0\" id=\"E1204-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1204-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 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0)\"><use xlink:href=\"#E1204-MJMAIN-6C\"><\/use><use xlink:href=\"#E1204-MJMAIN-6E\" x=\"278\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMATHI-4C\" x=\"1000\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMAIN-28\" x=\"1681\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMATHI-3B8\" x=\"2070\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMAIN-29\" x=\"2539\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMAIN-3D\" x=\"3206\" y=\"0\"><\/use><g transform=\"translate(4262,0)\"><use xlink:href=\"#E1204-MJSZ1-2211\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1204-MJMATHI-6E\" x=\"1493\" y=\"674\"><\/use><g transform=\"translate(1056,-286)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1204-MJMATHI-69\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1204-MJMAIN-3D\" x=\"345\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1204-MJMAIN-31\" x=\"1123\" y=\"0\"><\/use><\/g><\/g><g transform=\"translate(6732,0)\"><use xlink:href=\"#E1204-MJMAIN-6C\"><\/use><use xlink:href=\"#E1204-MJMAIN-6E\" x=\"278\" y=\"0\"><\/use><\/g><use xlink:href=\"#E1204-MJMATHI-70\" x=\"7733\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMAIN-28\" x=\"8236\" y=\"0\"><\/use><g transform=\"translate(8625,0)\"><use xlink:href=\"#E1204-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1204-MJMATHI-69\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1204-MJMAIN-3B\" x=\"9797\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMATHI-3B8\" x=\"10241\" y=\"0\"><\/use><use xlink:href=\"#E1204-MJMAIN-29\" x=\"10710\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\ln L(\\theta)=\\sum_{i=1}^{n}\\ln p(X_{i};\\theta)<\/script><\/li>\n<li>\u5bf9<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u6c42\u4e00\u9636\u504f\u5bfc\uff0c\u4ee4\u5bfc\u6570\u4e3a 0\uff0c\u5efa\u7acb\u65b9\u7a0b\u7ec4<\/li>\n<li>\u6c42\u89e3\u65b9\u7a0b\u7ec4\uff0c\u5f97\u5230<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\uff08\u7279\u6b8a\u60c5\u51b5\u9700\u7ed3\u5408\u4f3c\u7136\u51fd\u6570\u5355\u8c03\u6027\u5206\u6790\uff09<\/li>\n\n<\/ol>\n<h4>4. \u4e0d\u53ef\u53d8\u6027<\/h4>\n<p><strong>\u5b9a\u7406 0.1<\/strong> \u5982\u679c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u662f\u53c2\u6570<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\uff0c\u90a3\u4e48\u5bf9\u4e8e\u4efb\u610f\u51fd\u6570<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"3.567ex\" height=\"2.577ex\" viewBox=\"0 -806.1 1536 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1209-MJMATHI-67\" d=\"M311 43Q296 30 267 15T206 0Q143 0 105 45T66 160Q66 265 143 353T314 442Q361 442 401 394L404 398Q406 401 409 404T418 412T431 419T447 422Q461 422 470 413T480 394Q480 379 423 152T363 -80Q345 -134 286 -169T151 -205Q10 -205 10 -137Q10 -111 28 -91T74 -71Q89 -71 102 -80T116 -111Q116 -121 114 -130T107 -144T99 -154T92 -162L90 -164H91Q101 -167 151 -167Q189 -167 211 -155Q234 -144 254 -122T282 -75Q288 -56 298 -13Q311 35 311 43ZM384 328L380 339Q377 350 375 354T369 368T359 382T346 393T328 402T306 405Q262 405 221 352Q191 313 171 233T151 117Q151 38 213 38Q269 38 323 108L331 118L384 328Z\"><\/path><path stroke-width=\"0\" id=\"E1209-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1209-MJMAIN-22C5\" d=\"M78 250Q78 274 95 292T138 310Q162 310 180 294T199 251Q199 226 182 208T139 190T96 207T78 250Z\"><\/path><path stroke-width=\"0\" id=\"E1209-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1209-MJMATHI-67\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1209-MJMAIN-28\" x=\"480\" y=\"0\"><\/use><use xlink:href=\"#E1209-MJMAIN-22C5\" x=\"869\" y=\"0\"><\/use><use xlink:href=\"#E1209-MJMAIN-29\" x=\"1147\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">g(\\cdot)<\/script>\uff0c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"4.277ex\" height=\"3.044ex\" viewBox=\"0 -1007.2 1841.3 1310.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1226-MJMATHI-67\" d=\"M311 43Q296 30 267 15T206 0Q143 0 105 45T66 160Q66 265 143 353T314 442Q361 442 401 394L404 398Q406 401 409 404T418 412T431 419T447 422Q461 422 470 413T480 394Q480 379 423 152T363 -80Q345 -134 286 -169T151 -205Q10 -205 10 -137Q10 -111 28 -91T74 -71Q89 -71 102 -80T116 -111Q116 -121 114 -130T107 -144T99 -154T92 -162L90 -164H91Q101 -167 151 -167Q189 -167 211 -155Q234 -144 254 -122T282 -75Q288 -56 298 -13Q311 35 311 43ZM384 328L380 339Q377 350 375 354T369 368T359 382T346 393T328 402T306 405Q262 405 221 352Q191 313 171 233T151 117Q151 38 213 38Q269 38 323 108L331 118L384 328Z\"><\/path><path stroke-width=\"0\" id=\"E1226-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1226-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1226-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><path stroke-width=\"0\" id=\"E1226-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1226-MJMATHI-67\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1226-MJMAIN-28\" x=\"480\" y=\"0\"><\/use><g transform=\"translate(869,0)\"><use xlink:href=\"#E1226-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1226-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1226-MJMAIN-29\" x=\"1452\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">g(\\hat{\\theta})<\/script>\u4e5f\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"4.011ex\" height=\"2.577ex\" viewBox=\"0 -806.1 1727 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1227-MJMATHI-67\" d=\"M311 43Q296 30 267 15T206 0Q143 0 105 45T66 160Q66 265 143 353T314 442Q361 442 401 394L404 398Q406 401 409 404T418 412T431 419T447 422Q461 422 470 413T480 394Q480 379 423 152T363 -80Q345 -134 286 -169T151 -205Q10 -205 10 -137Q10 -111 28 -91T74 -71Q89 -71 102 -80T116 -111Q116 -121 114 -130T107 -144T99 -154T92 -162L90 -164H91Q101 -167 151 -167Q189 -167 211 -155Q234 -144 254 -122T282 -75Q288 -56 298 -13Q311 35 311 43ZM384 328L380 339Q377 350 375 354T369 368T359 382T346 393T328 402T306 405Q262 405 221 352Q191 313 171 233T151 117Q151 38 213 38Q269 38 323 108L331 118L384 328Z\"><\/path><path stroke-width=\"0\" id=\"E1227-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1227-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1227-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1227-MJMATHI-67\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1227-MJMAIN-28\" x=\"480\" y=\"0\"><\/use><use xlink:href=\"#E1227-MJMATHI-3B8\" x=\"869\" y=\"0\"><\/use><use xlink:href=\"#E1227-MJMAIN-29\" x=\"1338\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">g(\\theta)<\/script>\u7684\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\u3002<\/p>\n<h2>\u4e94\u3001\u4f30\u8ba1\u91cf\u7684\u8bc4\u4ef7\u6807\u51c6<\/h2>\n<h3>1. \u65e0\u504f\u6027<\/h3>\n<h4>\uff081\uff09\u5b9a\u4e49<\/h4>\n<p>\u8bbe<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u4f30\u8ba1\u91cf\uff0c\u82e5\u5bf9\u4efb\u610f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"5.736ex\" height=\"2.11ex\" viewBox=\"0 -806.1 2469.6 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1231-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1231-MJMAIN-2208\" d=\"M84 250Q84 372 166 450T360 539Q361 539 377 539T419 540T469 540H568Q583 532 583 520Q583 511 570 501L466 500Q355 499 329 494Q280 482 242 458T183 409T147 354T129 306T124 272V270H568Q583 262 583 250T568 230H124V228Q124 207 134 177T167 112T231 48T328 7Q355 1 466 0H570Q583 -10 583 -20Q583 -32 568 -40H471Q464 -40 446 -40T417 -41Q262 -41 172 45Q84 127 84 250Z\"><\/path><path stroke-width=\"0\" id=\"E1231-MJMAIN-398\" d=\"M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM610 339Q610 428 590 495T535 598T463 651T384 668Q332 668 289 638T221 566Q168 485 168 339Q168 274 176 235Q189 158 228 105T324 28Q356 16 388 16Q415 16 442 24T501 54T555 111T594 205T610 339ZM223 263V422H263V388H514V422H554V263H514V297H263V263H223Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1231-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1231-MJMAIN-2208\" x=\"746\" y=\"0\"><\/use><use xlink:href=\"#E1231-MJMAIN-398\" x=\"1691\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta\\in\\Theta<\/script>\uff0c\u6709<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"9.9ex\" height=\"3.044ex\" viewBox=\"0 -1007.2 4262.5 1310.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1215-MJAMS-45\" d=\"M12 666Q12 675 24 683H582Q590 680 593 672V588Q593 514 591 502T575 490Q567 490 563 495T555 517Q552 556 517 590Q486 623 445 634T340 648H282Q266 636 264 620T260 492V370H277Q329 375 358 391T404 439Q420 480 420 506Q420 529 436 529Q445 529 451 521Q455 517 455 361Q455 333 455 298T456 253Q456 217 453 207T437 197Q420 196 420 217Q420 240 406 270Q377 328 284 335H260V201Q261 174 261 134Q262 73 264 61T278 38Q281 36 282 35H331Q400 35 449 50Q571 93 602 179Q605 203 622 203Q629 203 634 197T640 183Q638 181 624 95T604 3L600 -1H24Q12 5 12 16Q12 35 51 35Q92 38 97 52Q102 60 102 341T97 632Q91 645 51 648Q12 648 12 666ZM137 341Q137 131 136 89T130 37Q129 36 129 35H235Q233 41 231 48L226 61V623L231 635L235 648H129Q132 641 133 638T135 603T137 517T137 341ZM557 603V648H504Q504 646 515 639Q527 634 542 619L557 603ZM420 317V397L406 383Q394 370 380 363L366 355Q373 350 382 346Q400 333 409 328L420 317ZM582 61L586 88Q585 88 582 83Q557 61 526 46L511 37L542 35H577Q577 36 578 39T580 49T582 61Z\"><\/path><path stroke-width=\"0\" id=\"E1215-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1215-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1215-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><path stroke-width=\"0\" id=\"E1215-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><path stroke-width=\"0\" id=\"E1215-MJMAIN-3D\" d=\"M56 347Q56 360 70 367H707Q722 359 722 347Q722 336 708 328L390 327H72Q56 332 56 347ZM56 153Q56 168 72 173H708Q722 163 722 153Q722 140 707 133H70Q56 140 56 153Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1215-MJAMS-45\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1215-MJMATHI-3B8\" x=\"943\" y=\"-218\"><\/use><use xlink:href=\"#E1215-MJMAIN-28\" x=\"1098\" y=\"0\"><\/use><g transform=\"translate(1487,0)\"><use xlink:href=\"#E1215-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1215-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1215-MJMAIN-29\" x=\"2070\" y=\"0\"><\/use><use xlink:href=\"#E1215-MJMAIN-3D\" x=\"2737\" y=\"0\"><\/use><use xlink:href=\"#E1215-MJMATHI-3B8\" x=\"3793\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\mathbb{E}_{\\theta}(\\hat{\\theta})=\\theta<\/script>\uff0c\u5219<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684<strong>\u65e0\u504f\u4f30\u8ba1<\/strong>\uff1b\u5426\u5219\u4e3a<strong>\u6709\u504f\u4f30\u8ba1<\/strong>\u3002<\/p>\n<h4>\uff082\uff09\u5173\u952e\u7ed3\u8bba<\/h4>\n<ul>\n<li><p>\u539f\u70b9\u8ddd\uff1a\u6837\u672c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.21ex\" height=\"1.994ex\" viewBox=\"0 -755.9 521 858.4\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1219-MJMATHI-6B\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1219-MJMATHI-6B\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">k<\/script>\u9636\u539f\u70b9\u8ddd\u4e3a\u603b\u4f53<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.21ex\" height=\"1.994ex\" viewBox=\"0 -755.9 521 858.4\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1219-MJMATHI-6B\" d=\"M121 647Q121 657 125 670T137 683Q138 683 209 688T282 694Q294 694 294 686Q294 679 244 477Q194 279 194 272Q213 282 223 291Q247 309 292 354T362 415Q402 442 438 442Q468 442 485 423T503 369Q503 344 496 327T477 302T456 291T438 288Q418 288 406 299T394 328Q394 353 410 369T442 390L458 393Q446 405 434 405H430Q398 402 367 380T294 316T228 255Q230 254 243 252T267 246T293 238T320 224T342 206T359 180T365 147Q365 130 360 106T354 66Q354 26 381 26Q429 26 459 145Q461 153 479 153H483Q499 153 499 144Q499 139 496 130Q455 -11 378 -11Q333 -11 305 15T277 90Q277 108 280 121T283 145Q283 167 269 183T234 206T200 217T182 220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1219-MJMATHI-6B\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">k<\/script>\u9636\u539f\u70b9\u8ddd\u7684<strong>\u65e0\u504f\u4f30\u8ba1<\/strong><\/p>\n<\/li>\n<li><p>\u4e2d\u5fc3\u8ddd\uff1a<\/p>\n<ul>\n<li><span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"23.631ex\" height=\"3.278ex\" viewBox=\"0 -956.9 10174.3 1411.3\" role=\"img\" focusable=\"false\" style=\"vertical-align: -1.055ex;\"><defs><path stroke-width=\"0\" id=\"E1220-MJMATHI-53\" d=\"M308 24Q367 24 416 76T466 197Q466 260 414 284Q308 311 278 321T236 341Q176 383 176 462Q176 523 208 573T273 648Q302 673 343 688T407 704H418H425Q521 704 564 640Q565 640 577 653T603 682T623 704Q624 704 627 704T632 705Q645 705 645 698T617 577T585 459T569 456Q549 456 549 465Q549 471 550 475Q550 478 551 494T553 520Q553 554 544 579T526 616T501 641Q465 662 419 662Q362 662 313 616T263 510Q263 480 278 458T319 427Q323 425 389 408T456 390Q490 379 522 342T554 242Q554 216 546 186Q541 164 528 137T492 78T426 18T332 -20Q320 -22 298 -22Q199 -22 144 33L134 44L106 13Q83 -14 78 -18T65 -22Q52 -22 52 -14Q52 -11 110 221Q112 227 130 227H143Q149 221 149 216Q149 214 148 207T144 186T142 153Q144 114 160 87T203 47T255 29T308 24Z\"><\/path><path stroke-width=\"0\" id=\"E1220-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 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xlink:href=\"#E1220-MJMAIN-31\" x=\"1123\" y=\"0\"><\/use><\/g><\/g><use xlink:href=\"#E1220-MJMAIN-28\" x=\"5696\" y=\"0\"><\/use><g transform=\"translate(6085,0)\"><use xlink:href=\"#E1220-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1220-MJMATHI-69\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1220-MJMAIN-2212\" x=\"7479\" y=\"0\"><\/use><g transform=\"translate(8479,0)\"><use xlink:href=\"#E1220-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1220-MJMAIN-AF\" x=\"274\" y=\"214\"><\/use><\/g><g transform=\"translate(9331,0)\"><use xlink:href=\"#E1220-MJMAIN-29\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1220-MJMAIN-32\" x=\"550\" y=\"513\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">S_{0}^{2}=\\frac{1}{n}\\sum_{i=1}^{n}(X_{i}-\\bar{X})^{2}<\/script> \u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg 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y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMAIN-31\" x=\"1378\" y=\"0\"><\/use><\/g><\/g><\/g><g transform=\"translate(4296,0)\"><use xlink:href=\"#E1222-MJSZ1-2211\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMATHI-6E\" x=\"1493\" y=\"674\"><\/use><g transform=\"translate(1056,-286)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMATHI-69\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMAIN-3D\" x=\"345\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMAIN-31\" x=\"1123\" y=\"0\"><\/use><\/g><\/g><use xlink:href=\"#E1222-MJMAIN-28\" x=\"6600\" y=\"0\"><\/use><g transform=\"translate(6989,0)\"><use xlink:href=\"#E1222-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMATHI-69\" x=\"1170\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1222-MJMAIN-2212\" x=\"8383\" y=\"0\"><\/use><g transform=\"translate(9383,0)\"><use xlink:href=\"#E1222-MJMATHI-58\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1222-MJMAIN-AF\" x=\"274\" y=\"214\"><\/use><\/g><g transform=\"translate(10235,0)\"><use xlink:href=\"#E1222-MJMAIN-29\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1222-MJMAIN-32\" x=\"550\" y=\"513\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">S^{2}=\\frac{1}{n-1}\\sum_{i=1}^{n}(X_{i}-\\bar{X})^{2}<\/script> \u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"2.383ex\" height=\"2.344ex\" viewBox=\"0 -906.7 1025.9 1009.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1223-MJMATHI-3C3\" d=\"M184 -11Q116 -11 74 34T31 147Q31 247 104 333T274 430Q275 431 414 431H552Q553 430 555 429T559 427T562 425T565 422T567 420T569 416T570 412T571 407T572 401Q572 357 507 357Q500 357 490 357T476 358H416L421 348Q439 310 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type=\"math\/tex\">\\sigma^2<\/script>\u7684\u65e0\u504f\u4f30\u8ba1<\/li>\n\n<\/ul>\n<\/li>\n<li><p>\u65e0\u504f\u6027\u4e0d\u6ee1\u8db3 \u201c\u51fd\u6570\u4f20\u9012\u201d\uff1a\u82e5<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u65e0\u504f\u4f30\u8ba1\uff0c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"4.277ex\" height=\"3.044ex\" viewBox=\"0 -1007.2 1841.3 1310.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1226-MJMATHI-67\" d=\"M311 43Q296 30 267 15T206 0Q143 0 105 45T66 160Q66 265 143 353T314 442Q361 442 401 394L404 398Q406 401 409 404T418 412T431 419T447 422Q461 422 470 413T480 394Q480 379 423 152T363 -80Q345 -134 286 -169T151 -205Q10 -205 10 -137Q10 -111 28 -91T74 -71Q89 -71 102 -80T116 -111Q116 -121 114 -130T107 -144T99 -154T92 -162L90 -164H91Q101 -167 151 -167Q189 -167 211 -155Q234 -144 254 -122T282 -75Q288 -56 298 -13Q311 35 311 43ZM384 328L380 339Q377 350 375 354T369 368T359 382T346 393T328 402T306 405Q262 405 221 352Q191 313 171 233T151 117Q151 38 213 38Q269 38 323 108L331 118L384 328Z\"><\/path><path stroke-width=\"0\" id=\"E1226-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1226-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 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y=\"0\"><\/use><use xlink:href=\"#E1226-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1226-MJMAIN-29\" x=\"1452\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">g(\\hat{\\theta})<\/script>\u4e0d\u4e00\u5b9a\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"4.011ex\" height=\"2.577ex\" viewBox=\"0 -806.1 1727 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1227-MJMATHI-67\" d=\"M311 43Q296 30 267 15T206 0Q143 0 105 45T66 160Q66 265 143 353T314 442Q361 442 401 394L404 398Q406 401 409 404T418 412T431 419T447 422Q461 422 470 413T480 394Q480 379 423 152T363 -80Q345 -134 286 -169T151 -205Q10 -205 10 -137Q10 -111 28 -91T74 -71Q89 -71 102 -80T116 -111Q116 -121 114 -130T107 -144T99 -154T92 -162L90 -164H91Q101 -167 151 -167Q189 -167 211 -155Q234 -144 254 -122T282 -75Q288 -56 298 -13Q311 35 311 43ZM384 328L380 339Q377 350 375 354T369 368T359 382T346 393T328 402T306 405Q262 405 221 352Q191 313 171 233T151 117Q151 38 213 38Q269 38 323 108L331 118L384 328Z\"><\/path><path stroke-width=\"0\" id=\"E1227-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 250Z\"><\/path><path stroke-width=\"0\" id=\"E1227-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1227-MJMAIN-29\" d=\"M60 749L64 750Q69 750 74 750H86L114 726Q208 641 251 514T294 250Q294 182 284 119T261 12T224 -76T186 -143T145 -194T113 -227T90 -246Q87 -249 86 -250H74Q66 -250 63 -250T58 -247T55 -238Q56 -237 66 -225Q221 -64 221 250T66 725Q56 737 55 738Q55 746 60 749Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1227-MJMATHI-67\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1227-MJMAIN-28\" x=\"480\" y=\"0\"><\/use><use xlink:href=\"#E1227-MJMATHI-3B8\" x=\"869\" y=\"0\"><\/use><use xlink:href=\"#E1227-MJMAIN-29\" x=\"1338\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">g(\\theta)<\/script>\u7684\u65e0\u504f\u4f30\u8ba1\u3002<\/p>\n<\/li>\n\n<\/ul>\n<h3>2. \u6709\u6548\u6027\uff08\u57fa\u4e8e\u65e0\u504f\u6027\uff09<\/h3>\n<p>\u53c2\u6570\u53ef\u80fd\u5b58\u5728\u591a\u4e2a\u65e0\u504f\u4f30\u8ba1\uff0c\u901a\u8fc7\u6709\u6548\u6027\u5bf9\u65e0\u504f\u4f30\u8ba1\u8fdb\u884c\u8fdb\u4e00\u6b65\u7b5b\u9009<\/p>\n<h4>\uff081\uff09\u5b9a\u4e49<\/h4>\n<p>\u8bbe<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"2.143ex\" height=\"2.811ex\" viewBox=\"0 -1007.2 922.6 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.472ex;\"><defs><path stroke-width=\"0\" id=\"E1233-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1233-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1233-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1233-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1233-MJMAIN-31\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1233-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta_{1}}<\/script>\u548c<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"2.143ex\" height=\"2.811ex\" viewBox=\"0 -1007.2 922.6 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.472ex;\"><defs><path stroke-width=\"0\" id=\"E1234-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1234-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1234-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1234-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1234-MJMAIN-32\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1234-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta_{2}}<\/script>\u5747\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u65e0\u504f\u4f30\u8ba1\uff0c\u82e5\u5bf9\u4efb\u610f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"5.736ex\" height=\"2.11ex\" viewBox=\"0 -806.1 2469.6 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1231-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1231-MJMAIN-2208\" d=\"M84 250Q84 372 166 450T360 539Q361 539 377 539T419 540T469 540H568Q583 532 583 520Q583 511 570 501L466 500Q355 499 329 494Q280 482 242 458T183 409T147 354T129 306T124 272V270H568Q583 262 583 250T568 230H124V228Q124 207 134 177T167 112T231 48T328 7Q355 1 466 0H570Q583 -10 583 -20Q583 -32 568 -40H471Q464 -40 446 -40T417 -41Q262 -41 172 45Q84 127 84 250Z\"><\/path><path stroke-width=\"0\" id=\"E1231-MJMAIN-398\" d=\"M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM610 339Q610 428 590 495T535 598T463 651T384 668Q332 668 289 638T221 566Q168 485 168 339Q168 274 176 235Q189 158 228 105T324 28Q356 16 388 16Q415 16 442 24T501 54T555 111T594 205T610 339ZM223 263V422H263V388H514V422H554V263H514V297H263V263H223Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1231-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1231-MJMAIN-2208\" x=\"746\" y=\"0\"><\/use><use xlink:href=\"#E1231-MJMAIN-398\" x=\"1691\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta\\in\\Theta<\/script>\uff0c\u6709<\/p>\n<div contenteditable=\"true\" 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xlink:href=\"#E1164-MJMAIN-52\" x=\"1500\" y=\"0\"><\/use><use xlink:href=\"#E1164-MJMAIN-28\" x=\"2236\" y=\"0\"><\/use><g transform=\"translate(2625,0)\"><use xlink:href=\"#E1164-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1164-MJMAIN-31\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1164-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1164-MJMAIN-29\" x=\"3547\" y=\"0\"><\/use><use xlink:href=\"#E1164-MJMAIN-2264\" x=\"4214\" y=\"0\"><\/use><g transform=\"translate(5270,0)\"><use xlink:href=\"#E1164-MJMAIN-56\"><\/use><use xlink:href=\"#E1164-MJMAIN-41\" x=\"750\" y=\"0\"><\/use><use xlink:href=\"#E1164-MJMAIN-52\" x=\"1500\" y=\"0\"><\/use><\/g><use xlink:href=\"#E1164-MJMAIN-28\" x=\"7506\" y=\"0\"><\/use><g transform=\"translate(7895,0)\"><use xlink:href=\"#E1164-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1164-MJMAIN-32\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1164-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1164-MJMAIN-29\" x=\"8817\" y=\"0\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1013\">\\text{VAR}(\\hat{\\theta_{1}})\\leq\\text{VAR}(\\hat{\\theta_{2}})<\/script><\/div><\/div>\n<p>\uff0c\u4e14\u81f3\u5c11\u5b58\u5728\u4e00\u4e2a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u4f7f\u4e0d\u7b49\u5f0f\u4e25\u683c\u6210\u7acb\uff0c\u5219<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"2.143ex\" height=\"2.811ex\" viewBox=\"0 -1007.2 922.6 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.472ex;\"><defs><path stroke-width=\"0\" id=\"E1233-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1233-MJMAIN-31\" d=\"M213 578L200 573Q186 568 160 563T102 556H83V602H102Q149 604 189 617T245 641T273 663Q275 666 285 666Q294 666 302 660V361L303 61Q310 54 315 52T339 48T401 46H427V0H416Q395 3 257 3Q121 3 100 0H88V46H114Q136 46 152 46T177 47T193 50T201 52T207 57T213 61V578Z\"><\/path><path stroke-width=\"0\" id=\"E1233-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1233-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1233-MJMAIN-31\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1233-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta_{1}}<\/script>\u6bd4<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"2.143ex\" height=\"2.811ex\" viewBox=\"0 -1007.2 922.6 1210.2\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.472ex;\"><defs><path stroke-width=\"0\" id=\"E1234-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1234-MJMAIN-32\" d=\"M109 429Q82 429 66 447T50 491Q50 562 103 614T235 666Q326 666 387 610T449 465Q449 422 429 383T381 315T301 241Q265 210 201 149L142 93L218 92Q375 92 385 97Q392 99 409 186V189H449V186Q448 183 436 95T421 3V0H50V19V31Q50 38 56 46T86 81Q115 113 136 137Q145 147 170 174T204 211T233 244T261 278T284 308T305 340T320 369T333 401T340 431T343 464Q343 527 309 573T212 619Q179 619 154 602T119 569T109 550Q109 549 114 549Q132 549 151 535T170 489Q170 464 154 447T109 429Z\"><\/path><path stroke-width=\"0\" id=\"E1234-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1234-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1234-MJMAIN-32\" x=\"663\" y=\"-213\"><\/use><use xlink:href=\"#E1234-MJMAIN-5E\" x=\"211\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta_{2}}<\/script> <strong>\u6709\u6548<\/strong>\u3002<\/p>\n<h4>\uff082\uff09\u6838\u5fc3\u903b\u8f91<\/h4>\n<p>\u65e0\u504f\u4f30\u8ba1\u4e2d\uff0c\u56f4\u7ed5\u53c2\u6570\u771f\u503c\u7684\u65b9\u5dee\u8d8a\u5c0f\uff0c\u4f30\u8ba1\u91cf\u8d8a\u4f18\u3002<\/p>\n<h3>3. Rao-Crammer \u4e0d\u7b49\u5f0f\uff08\u65b9\u5dee\u4e0b\u754c\uff09<\/h3>\n<h4>\uff081\uff09\u4f5c\u7528<\/h4>\n<p>\u7ed9\u51fa\u65e0\u504f\u4f30\u8ba1\u91cf\u65b9\u5dee\u7684<strong>\u4e0b\u754c<\/strong>\uff0c\u5224\u65ad\u4f30\u8ba1\u91cf\u662f\u5426 \u201c\u6700\u4f18\u201d\u3002<\/p>\n<h4>\uff082\uff09\u6838\u5fc3\u516c\u5f0f<\/h4>\n<p>\u8bbe\u603b\u4f53\u6982\u7387\u5bc6\u5ea6\u6216\u5206\u5e03\u51fd\u6570\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"7.185ex\" height=\"2.577ex\" viewBox=\"0 -806.1 3093.7 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1235-MJMATHI-66\" d=\"M118 -162Q120 -162 124 -164T135 -167T147 -168Q160 -168 171 -155T187 -126Q197 -99 221 27T267 267T289 382V385H242Q195 385 192 387Q188 390 188 397L195 425Q197 430 203 430T250 431Q298 431 298 432Q298 434 307 482T319 540Q356 705 465 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xlink:href=\"#E1235-MJMATHI-66\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1235-MJMAIN-28\" x=\"550\" y=\"0\"><\/use><use xlink:href=\"#E1235-MJMATHI-58\" x=\"939\" y=\"0\"><\/use><use xlink:href=\"#E1235-MJMAIN-3B\" x=\"1791\" y=\"0\"><\/use><use xlink:href=\"#E1235-MJMATHI-3B8\" x=\"2235\" y=\"0\"><\/use><use xlink:href=\"#E1235-MJMAIN-29\" x=\"2704\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">f(X;\\theta) <\/script> \u6216 <span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"7.648ex\" height=\"2.577ex\" viewBox=\"0 -806.1 3292.7 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1236-MJMATHI-46\" d=\"M48 1Q31 1 31 11Q31 13 34 25Q38 41 42 43T65 46Q92 46 125 49Q139 52 144 61Q146 66 215 342T285 622Q285 629 281 629Q273 632 228 634H197Q191 640 191 642T193 659Q197 676 203 680H742Q749 676 749 669Q749 664 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636 234 637H206Q200 643 200 645T202 664Q206 677 212 683H226Q260 681 347 681Q380 681 408 681T453 682T473 682Q490 682 490 671Q490 670 488 658Q484 643 481 640T465 637Q434 634 411 620L488 426L541 485Q646 598 646 610Q646 628 622 635Q617 635 609 637Q594 637 594 648Q594 650 596 664Q600 677 606 683H618Q619 683 643 683T697 681T738 680Q828 680 837 683H845Q852 676 852 672Q850 647 840 637H824Q790 636 763 628T722 611T698 593L687 584Q687 585 592 480L505 384Q505 383 536 304T601 142T638 56Q648 47 699 46Q734 46 734 37Q734 35 732 23Q728 7 725 4T711 1Q708 1 678 1T589 2Q528 2 496 2T461 1Q444 1 444 10Q444 11 446 25Q448 35 450 39T455 44T464 46T480 47T506 54Q523 62 523 64Q522 64 476 181L429 299Q241 95 236 84Q232 76 232 72Q232 53 261 47Q262 47 267 47T273 46Q276 46 277 46T280 45T283 42T284 35Q284 26 282 19Q279 6 276 4T261 1Q258 1 243 1T201 2T142 2Q64 2 42 0Z\"><\/path><path stroke-width=\"0\" id=\"E1236-MJMAIN-3B\" d=\"M78 370Q78 394 95 412T138 430Q162 430 180 414T199 371Q199 346 182 328T139 310T96 327T78 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stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1236-MJMATHI-46\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1236-MJMAIN-28\" x=\"749\" y=\"0\"><\/use><use xlink:href=\"#E1236-MJMATHI-58\" x=\"1138\" y=\"0\"><\/use><use xlink:href=\"#E1236-MJMAIN-3B\" x=\"1990\" y=\"0\"><\/use><use xlink:href=\"#E1236-MJMATHI-3B8\" x=\"2434\" y=\"0\"><\/use><use xlink:href=\"#E1236-MJMAIN-29\" x=\"2903\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">F(X;\\theta)<\/script>\uff0c\u5219<strong>\u65e0\u504f\u4f30\u8ba1\u91cf<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u7684\u65b9\u5dee\u4e0b\u754c<\/strong>\u4e3a\uff1a<\/p>\n<div contenteditable=\"true\" spellcheck=\"false\" class=\"mathjax-block 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transform=\"translate(567,0)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-6C\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-6E\" x=\"278\" y=\"0\"><\/use><\/g><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMATHI-46\" x=\"1872\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-28\" x=\"2621\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMATHI-58\" x=\"3010\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-3B\" x=\"3862\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMATHI-3B8\" x=\"4140\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-29\" x=\"4609\" y=\"0\"><\/use><\/g><g transform=\"translate(1460,-410)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-2202\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMATHI-3B8\" x=\"567\" y=\"0\"><\/use><\/g><\/g><\/g><use xlink:href=\"#E1165-MJSZ2-29\" x=\"4491\" y=\"-1\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1165-MJMAIN-32\" x=\"7196\" y=\"1239\"><\/use><\/g><use xlink:href=\"#E1165-MJSZ3-5D\" x=\"6069\" y=\"-1\"><\/use><\/g><\/g><\/g><\/g><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1014\">\\mathbb{VAR}_{0}(\\theta)=\\frac{1}{n\\mathbb{E}\\left[\\left(\\frac{\\partial\\ln f(X;\\theta)}{\\partial\\theta}\\right)^{2}\\right]} \\quad \\text{\u6216} \\quad \\mathbb{VAR}_0(\\theta) \\frac{1}{n\\mathbb{E}\\left[\\left(\\frac{\\partial\\ln F(X;\\theta)}{\\partial\\theta}\\right)^{2}\\right]}<\/script><\/div><\/div>\n<p>\u5bf9\u4efb\u610f\u7684\u65e0\u504f\u4f30\u8ba1\u91cf<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" 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type=\"math\/tex\">\\hat{\\theta}<\/script>\u6709<\/p>\n<div contenteditable=\"true\" spellcheck=\"false\" class=\"mathjax-block md-end-block md-math-block md-rawblock\" id=\"mathjax-n119\" cid=\"n119\" mdtype=\"math_block\"><div class=\"md-rawblock-container md-math-container\" tabindex=\"-1\"><div class=\"MathJax_SVG_Display\"><span class=\"MathJax_SVG\" id=\"MathJax-Element-1015-Frame\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"78.56ex\" height=\"3.044ex\" viewBox=\"0 -906.7 33824.5 1310.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.938ex; max-width: 100%;\" class=\"in-text-selection\"><defs><path stroke-width=\"0\" id=\"E1166-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 -81T274 -167T316 -220T333 -241Q333 -250 318 -250H315H302L274 -226Q180 -141 137 -14T94 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transform=\"translate(4860,0)\"><use xlink:href=\"#E1166-MJAMS-56\" x=\"0\" y=\"0\"><\/use><use xlink:href=\"#E1166-MJAMS-41\" x=\"722\" y=\"0\"><\/use><use xlink:href=\"#E1166-MJAMS-52\" x=\"1444\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1166-MJMAIN-30\" x=\"3063\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1166-MJMAIN-28\" x=\"7480\" y=\"0\"><\/use><use xlink:href=\"#E1166-MJMATHI-3B8\" x=\"7869\" y=\"0\"><\/use><use xlink:href=\"#E1166-MJMAIN-29\" x=\"8338\" y=\"0\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1015\">\\mathbb{VAR}(\\hat{\\theta}) \\geq \\mathbb{VAR}_0(\\theta)<\/script><\/div><\/div>\n<h4>\uff083\uff09\u6709\u6548\u4f30\u8ba1\u91cf<\/h4>\n<p>\u82e5<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"20.595ex\" height=\"3.044ex\" viewBox=\"0 -1007.2 8867.4 1310.7\" role=\"img\" 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xlink:href=\"#E1239-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1239-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1239-MJMAIN-29\" x=\"3208\" y=\"0\"><\/use><use xlink:href=\"#E1239-MJMAIN-3D\" x=\"3875\" y=\"0\"><\/use><g transform=\"translate(4930,0)\"><use xlink:href=\"#E1239-MJMAIN-56\"><\/use><use xlink:href=\"#E1239-MJMAIN-41\" x=\"750\" y=\"0\"><\/use><use xlink:href=\"#E1239-MJMAIN-52\" x=\"1500\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1239-MJMAIN-30\" x=\"3162\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1239-MJMAIN-28\" x=\"7620\" y=\"0\"><\/use><use xlink:href=\"#E1239-MJMATHI-3B8\" x=\"8009\" y=\"0\"><\/use><use xlink:href=\"#E1239-MJMAIN-29\" x=\"8478\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\text{VAR}(\\hat{\\theta})=\\text{VAR}_{0}(\\theta)<\/script>\uff0c\u5219<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u4e3a<strong>\u8fbe\u5230\u65b9\u5dee\u4e0b\u754c\u7684\u65e0\u504f\u4f30\u8ba1\u91cf<\/strong>\uff08\u7b80\u79f0\u6709\u6548\u4f30\u8ba1\u91cf\uff09\uff0c\u662f\u6700\u4f18\u65e0\u504f\u4f30\u8ba1\u3002<\/p>\n<h3>4. \u4e00\u81f4\u6027\uff08\u57fa\u672c\u8981\u6c42\uff09<\/h3>\n<h4>\uff081\uff09\u5b9a\u4e49<\/h4>\n<p>\u8bbe<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" 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type=\"math\/tex\">n\\to\\infty<\/script>\u65f6\uff0c\u82e5<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"6.057ex\" height=\"3.395ex\" viewBox=\"0 -1359 2607.9 1461.5\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1244-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1244-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 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xlink:href=\"#E1167-MJMAIN-28\"><\/use><use xlink:href=\"#E1167-MJMAIN-36\" x=\"389\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-29\" x=\"889\" y=\"0\"><\/use><\/g><\/g><g transform=\"translate(12117,0)\"><g transform=\"translate(-15,0)\"><g transform=\"translate(0,132)\"><g transform=\"translate(224,0)\"><use xlink:href=\"#E1167-MJMAIN-6C\"><\/use><use xlink:href=\"#E1167-MJMAIN-69\" x=\"278\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-6D\" x=\"556\" y=\"0\"><\/use><\/g><g transform=\"translate(0,-600)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1167-MJMATHI-6E\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1167-MJMAIN-2192\" x=\"600\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1167-MJMAIN-221E\" x=\"1600\" y=\"0\"><\/use><\/g><use xlink:href=\"#E1167-MJMATHI-50\" x=\"2005\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-28\" x=\"2756\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-7C\" x=\"3145\" y=\"0\"><\/use><g transform=\"translate(3423,0)\"><use xlink:href=\"#E1167-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><use xlink:href=\"#E1167-MJMAIN-2212\" x=\"4228\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMATHI-3B8\" x=\"5228\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-7C\" x=\"5697\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-3E\" x=\"6253\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMATHI-3F5\" x=\"7309\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-29\" x=\"7715\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-3D\" x=\"8382\" y=\"0\"><\/use><use xlink:href=\"#E1167-MJMAIN-30\" x=\"9437\" y=\"0\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1016\">\\lim_{n\\to\\infty}P(|\\hat{\\theta}-\\theta|>\\epsilon)=0<\/script><\/div><\/div>\n<p>\u5219\u79f0<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684<strong>\u4e00\u81f4\u4f30\u8ba1\u91cf<\/strong>\u3002<\/p>\n<h4>\uff082\uff09\u5173\u952e\u7ed3\u8bba<\/h4>\n<ul>\n<li>\u4e00\u81f4\u6027\u662f\u4f30\u8ba1\u91cf\u7684<strong>\u57fa\u672c\u8981\u6c42<\/strong>\uff1a\u6837\u672c\u91cf\u589e\u5927\u65f6\uff0c\u82e5\u4f30\u8ba1\u91cf\u65e0\u6cd5\u903c\u8fd1\u53c2\u6570\u771f\u503c\uff0c\u5219\u4e0d\u8003\u8651\u3002<\/li>\n\n<\/ul>\n<h4>\uff083\uff09\u76f8\u5173\u5b9a\u7406<\/h4>\n<p><strong>\u5145\u5206\u6761\u4ef6\uff1a<\/strong> \u8bbe<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1251-MJMATHI-3B8\" x=\"0\" y=\"0\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\theta<\/script>\u7684\u4e00\u4e2a\u4f30\u8ba1\u91cf\uff0c\u82e5\u6ee1\u8db3\u4ee5\u4e0b\u4e24\u4e2a\u6761\u4ef6\uff1a<\/p>\n<div contenteditable=\"true\" spellcheck=\"false\" class=\"mathjax-block md-end-block md-math-block md-rawblock\" id=\"mathjax-n133\" cid=\"n133\" mdtype=\"math_block\"><div class=\"md-rawblock-container md-math-container\" tabindex=\"-1\"><div class=\"MathJax_SVG_Display\"><span class=\"MathJax_SVG\" id=\"MathJax-Element-1017-Frame\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"78.56ex\" height=\"4.212ex\" viewBox=\"0 -1158 33824.5 1813.3\" role=\"img\" focusable=\"false\" style=\"vertical-align: -1.522ex; max-width: 100%;\" class=\"in-text-selection\"><defs><path stroke-width=\"0\" id=\"E1168-MJMAIN-28\" d=\"M94 250Q94 319 104 381T127 488T164 576T202 643T244 695T277 729T302 750H315H319Q333 750 333 741Q333 738 316 720T275 667T226 581T184 443T167 250T184 58T225 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y=\"249\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1168-MJMATHI-6E\" x=\"824\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1168-MJMAIN-5D\" x=\"4057\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-3D\" x=\"4613\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMATHI-3B8\" x=\"5669\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-2C\" x=\"6138\" y=\"0\"><\/use><g transform=\"translate(7582,0)\"><g transform=\"translate(224,0)\"><use xlink:href=\"#E1168-MJMAIN-6C\"><\/use><use xlink:href=\"#E1168-MJMAIN-69\" x=\"278\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-6D\" x=\"556\" y=\"0\"><\/use><\/g><g transform=\"translate(0,-600)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1168-MJMATHI-6E\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1168-MJMAIN-2192\" x=\"600\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1168-MJMAIN-221E\" x=\"1600\" y=\"0\"><\/use><\/g><\/g><g transform=\"translate(9588,0)\"><use xlink:href=\"#E1168-MJMAIN-56\"><\/use><use xlink:href=\"#E1168-MJMAIN-41\" x=\"750\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-52\" x=\"1500\" y=\"0\"><\/use><\/g><use xlink:href=\"#E1168-MJMAIN-5B\" x=\"11824\" y=\"0\"><\/use><g transform=\"translate(12102,0)\"><use xlink:href=\"#E1168-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1168-MJMATHI-6E\" x=\"824\" y=\"-213\"><\/use><\/g><use xlink:href=\"#E1168-MJMAIN-5D\" x=\"13209\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-3D\" x=\"13765\" y=\"0\"><\/use><use xlink:href=\"#E1168-MJMAIN-30\" x=\"14821\" y=\"0\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1017\">\\lim_{n\\to\\infty}\\mathbb{E}[\\hat{\\theta}_n]=\\theta, \\quad \\lim_{n\\to\\infty}\\text{VAR}[\\hat{\\theta}_n]=0<\/script><\/div><\/div>\n<p>\u5219<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.355ex\" height=\"2.577ex\" viewBox=\"0 -1007.2 583.3 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1250-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><path stroke-width=\"0\" id=\"E1250-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1250-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1250-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}<\/script>\u4e3a<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.089ex\" height=\"2.11ex\" viewBox=\"0 -806.1 469 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1251-MJMATHI-3B8\" d=\"M35 200Q35 302 74 415T180 610T319 704Q320 704 327 704T339 705Q393 701 423 656Q462 596 462 495Q462 380 417 261T302 66T168 -10H161Q125 -10 99 10T60 63T41 130T35 200ZM383 566Q383 668 330 668Q294 668 260 623T204 521T170 421T157 371Q206 370 254 370L351 371Q352 372 359 404T375 484T383 566ZM113 132Q113 26 166 26Q181 26 198 36T239 74T287 161T335 307L340 324H145Q145 321 136 286T120 208T113 132Z\"><\/path><\/defs><g stroke=\"currentColor\" 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220H180Q168 178 159 139T145 81T136 44T129 20T122 7T111 -2Q98 -11 83 -11Q66 -11 57 -1T48 16Q48 26 85 176T158 471L195 616Q196 629 188 632T149 637H144Q134 637 131 637T124 640T121 647Z\"><\/path><\/defs><g stroke=\"currentColor\" fill=\"currentColor\" stroke-width=\"0\" transform=\"matrix(1 0 0 -1 0 0)\"><use xlink:href=\"#E1252-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1252-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><g transform=\"translate(583,-150)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1252-MJMATHI-6E\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1252-MJMAIN-31\" x=\"600\" y=\"0\"><\/use><\/g><use xlink:href=\"#E1252-MJMAIN-2C\" x=\"1461\" y=\"0\"><\/use><g transform=\"translate(1905,0)\"><use xlink:href=\"#E1252-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1252-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><g transform=\"translate(583,-150)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1252-MJMATHI-6E\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1252-MJMAIN-32\" x=\"600\" y=\"0\"><\/use><\/g><\/g><use xlink:href=\"#E1252-MJMAIN-2C\" x=\"3366\" y=\"0\"><\/use><use xlink:href=\"#E1252-MJMAIN-2026\" x=\"3811\" y=\"0\"><\/use><use xlink:href=\"#E1252-MJMAIN-2C\" x=\"5150\" y=\"0\"><\/use><g transform=\"translate(5594,0)\"><use xlink:href=\"#E1252-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1252-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><g transform=\"translate(583,-150)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1252-MJMATHI-6E\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1252-MJMATHI-6B\" x=\"600\" y=\"0\"><\/use><\/g><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{\\theta}_{n1}, \\hat{\\theta}_{n2}, \\dots, \\hat{\\theta}_{nk}<\/script>\u5206\u522b\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"12.67ex\" height=\"2.461ex\" 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xlink:href=\"#E1169-MJMATHI-3B8\" x=\"15\" y=\"0\"><\/use><use xlink:href=\"#E1169-MJMAIN-5E\" x=\"83\" y=\"249\"><\/use><g transform=\"translate(583,-150)\"><use transform=\"scale(0.707)\" xlink:href=\"#E1169-MJMATHI-6E\" x=\"0\" y=\"0\"><\/use><use transform=\"scale(0.707)\" xlink:href=\"#E1169-MJMATHI-6B\" x=\"600\" y=\"0\"><\/use><\/g><\/g><use xlink:href=\"#E1169-MJMAIN-29\" x=\"10059\" y=\"0\"><\/use><\/g><\/g><\/g><\/g><\/svg><\/span><\/div><script type=\"math\/tex; mode=display\" id=\"MathJax-Element-1018\">\\hat{G} = g(\\hat{\\theta}_{n1}, \\hat{\\theta}_{n2}, \\dots ,\\hat{\\theta}_{nk})<\/script><\/div><\/div>\n<p>\u662f<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"1.826ex\" height=\"2.11ex\" viewBox=\"0 -806.1 786 908.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.238ex;\"><defs><path stroke-width=\"0\" id=\"E1256-MJMATHI-47\" d=\"M50 252Q50 367 117 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type=\"math\/tex\">G<\/script>\u7684\u4e00\u81f4\u6027\u4f30\u8ba1\u3002<\/p>\n<h2>\u516d\u3001\u70b9\u4f30\u8ba1\u4e0e\u673a\u5668\u5b66\u4e60\u7684\u5173\u8054<\/h2>\n<p>\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bad\u7ec3\u7684\u672c\u8d28\u662f \u201c\u7528\u6570\u636e\u4f30\u8ba1\u6a21\u578b\u53c2\u6570\u201d\uff0c\u5373\u53c2\u6570\u7684\u70b9\u4f30\u8ba1\u8fc7\u7a0b\uff0c\u6838\u5fc3\u65b9\u6cd5\u591a\u57fa\u4e8e\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\uff1a<\/p>\n<p>&nbsp;<\/p>\n<figure><table>\n<thead>\n<tr><th>\u673a\u5668\u5b66\u4e60\u6a21\u578b<\/th><th>\u70b9\u4f30\u8ba1\u5e94\u7528<\/th><\/tr><\/thead>\n<tbody><tr><td>\u7ebf\u6027\u56de\u5f52<\/td><td>\u7528\u6700\u5c0f\u4e8c\u4e58\u6cd5\u4f30\u8ba1\u53c2\u6570\uff08\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\u7684\u7279\u4f8b\uff09\uff0c\u76ee\u6807\u51fd\u6570\u4e3a\u6700\u5c0f\u5316<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" 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xlink:href=\"#E1257-MJMAIN-32\" x=\"550\" y=\"513\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">\\sum_{i=1}^{n}(y_{i}-\\beta_{0}-\\beta_{1}x_{i})^{2}<\/script><\/td><\/tr><tr><td>\u903b\u8f91\u56de\u5f52<\/td><td>\u7528\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\u53c2\u6570\uff0c\u901a\u8fc7\u68af\u5ea6\u4e0a\u5347\u6cd5\uff08\u6216\u6700\u5c0f\u5316\u8d1f\u5bf9\u6570\u4f3c\u7136\uff09\u6c42\u89e3<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"3.857ex\" height=\"2.928ex\" viewBox=\"0 -1007.2 1660.7 1260.5\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.588ex;\"><defs><path stroke-width=\"0\" id=\"E1258-MJMATHI-77\" d=\"M580 385Q580 406 599 424T641 443Q659 443 674 425T690 368Q690 339 671 253Q656 197 644 161T609 80T554 12T482 -11Q438 -11 404 5T355 48Q354 47 352 44Q311 -11 252 -11Q226 -11 202 -5T155 14T118 53T104 116Q104 170 138 262T173 379Q173 380 173 381Q173 390 173 393T169 400T158 404H154Q131 404 112 385T82 344T65 302T57 280Q55 278 41 278H27Q21 284 21 287Q21 293 29 315T52 366T96 418T161 441Q204 441 227 416T250 358Q250 340 217 250T184 111Q184 65 205 46T258 26Q301 26 334 87L339 96V119Q339 122 339 128T340 136T341 143T342 152T345 165T348 182T354 206T362 238T373 281Q402 395 406 404Q419 431 449 431Q468 431 475 421T483 402Q483 389 454 274T422 142Q420 131 420 107V100Q420 85 423 71T442 42T487 26Q558 26 600 148Q609 171 620 213T632 273Q632 306 619 325T593 357T580 385Z\"><\/path><path stroke-width=\"0\" id=\"E1258-MJMAIN-5E\" d=\"M112 560L249 694L257 686Q387 562 387 560L361 531Q359 532 303 581L250 627L195 580Q182 569 169 557T148 538L140 532Q138 530 125 546L112 560Z\"><\/path><path stroke-width=\"0\" id=\"E1258-MJMAIN-2C\" d=\"M78 35T78 60T94 103T137 121Q165 121 187 96T210 8Q210 -27 201 -60T180 -117T154 -158T130 -185T117 -194Q113 -194 104 -185T95 -172Q95 -168 106 -156T131 -126T157 -76T173 -3V9L172 8Q170 7 167 6T161 3T152 1T140 0Q113 0 96 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x=\"0\" y=\"238\"><\/use><\/g><\/g><\/svg><\/span><script type=\"math\/tex\">\\hat{w},\\hat{b}<\/script><\/td><\/tr><tr><td>\u795e\u7ecf\u7f51\u7edc<\/td><td>\u901a\u8fc7\u68af\u5ea6\u4e0b\u964d\u6700\u5c0f\u5316\u635f\u5931\uff08\u7b49\u4ef7\u4e8e\u67d0\u79cd\u4f3c\u7136\u4e0b\u7684\u70b9\u4f30\u8ba1\uff09\uff0c\u5982\u5355\u9690\u85cf\u5c42\u7f51\u7edc\u4e2d\uff0c\u4f18\u5316\u53c2\u6570<span class=\"MathJax_SVG\" tabindex=\"-1\" style=\"font-size: 100%; display: inline-block;\"><svg xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" width=\"20.917ex\" height=\"2.577ex\" viewBox=\"0 -806.1 9005.8 1109.7\" role=\"img\" focusable=\"false\" style=\"vertical-align: -0.705ex;\"><defs><path stroke-width=\"0\" id=\"E1259-MJMAIN-398\" d=\"M56 340Q56 423 86 494T164 610T270 680T388 705Q521 705 621 601T722 341Q722 260 693 191T617 75T510 4T388 -22T267 3T160 74T85 189T56 340ZM610 339Q610 428 590 495T535 598T463 651T384 668Q332 668 289 638T221 566Q168 485 168 339Q168 274 176 235Q189 158 228 105T324 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