{"id":525,"date":"2023-07-29T15:10:43","date_gmt":"2023-07-29T15:10:43","guid":{"rendered":"https:\/\/statorials.org\/cn\/t-%e6%a3%80%e9%aa%8c%e5%92%8c%e6%96%b9%e5%b7%ae%e5%88%86%e6%9e%90%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab\/"},"modified":"2023-07-29T15:10:43","modified_gmt":"2023-07-29T15:10:43","slug":"t-%e6%a3%80%e9%aa%8c%e5%92%8c%e6%96%b9%e5%b7%ae%e5%88%86%e6%9e%90%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/t-%e6%a3%80%e9%aa%8c%e5%92%8c%e6%96%b9%e5%b7%ae%e5%88%86%e6%9e%90%e6%9c%89%e4%bb%80%e4%b9%88%e5%8c%ba%e5%88%ab\/","title":{"rendered":"T \u68c0\u9a8c\u548c\u65b9\u5dee\u5206\u6790\u6709\u4ec0\u4e48\u533a\u522b\uff1f"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u672c\u6559\u7a0b\u89e3\u91ca\u4e86<strong>t \u68c0\u9a8c<\/strong>\u548c<strong>\u65b9\u5dee\u5206\u6790<\/strong>\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u4f55\u65f6\u4f7f\u7528\u6bcf\u79cd\u68c0\u9a8c\u3002<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>T\u68c0\u9a8c<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\"><strong>t \u68c0\u9a8c<\/strong>\u7528\u4e8e\u786e\u5b9a<span style=\"text-decoration: underline;\">\u4e24\u7ec4<\/span>\u5e73\u5747\u503c\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u7edf\u8ba1\u663e\u7740\u6027\u5dee\u5f02\u3002 t \u68c0\u9a8c\u6709\u4e24\u79cd\u7c7b\u578b\uff1a<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1.\u72ec\u7acb\u6837\u672ct\u68c0\u9a8c\u3002<\/strong>\u5f53\u6211\u4eec\u60f3\u8981\u6bd4\u8f83\u4e24\u7ec4\u5747\u503c\u4e4b\u95f4\u7684\u5dee\u5f02\u5e76\u4e14\u5404\u7ec4\u5f7c\u6b64\u5b8c\u5168\u72ec\u7acb\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u65b9\u6cd5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c<\/span><span style=\"color: #000000;\">\u7814\u7a76\u4eba\u5458\u53ef\u80fd\u60f3\u77e5\u9053\u996e\u98df A \u6216\u996e\u98df B \u662f\u5426\u6709\u52a9\u4e8e\u4eba\u4eec\u51cf\u8f7b\u66f4\u591a\u4f53\u91cd\u3002 100 \u540d\u968f\u673a\u5206\u914d\u7684\u4eba\u88ab\u5206\u914d\u5230\u996e\u98df A\u3002\u53e6\u5916 100 \u540d\u968f\u673a\u5206\u914d\u7684\u4eba\u88ab\u5206\u914d\u5230\u996e\u98df B\u3002\u4e09\u4e2a\u6708\u540e\uff0c\u7814\u7a76\u4eba\u5458\u8bb0\u5f55\u6bcf\u4e2a\u4eba\u7684\u603b\u4f53\u91cd\u51cf\u8f7b\u60c5\u51b5\u3002\u4e3a\u4e86\u786e\u5b9a\u4e24\u7ec4\u4e4b\u95f4\u7684\u5e73\u5747\u4f53\u91cd\u51cf\u8f7b\u662f\u5426\u5b58\u5728\u663e\u7740\u5dee\u5f02\uff0c\u7814\u7a76\u4eba\u5458\u53ef\u4ee5\u8fdb\u884c\u72ec\u7acb\u6837\u672ct\u68c0\u9a8c\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2.\u914d\u5bf9\u6837\u672ct\u68c0\u9a8c<\/strong>\u3002\u5f53\u6211\u4eec\u60f3\u8981\u6bd4\u8f83\u4e24\u7ec4\u5e73\u5747\u503c\u4e4b\u95f4\u7684\u5dee\u5f02\u4ee5\u53ca\u4e00\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u89c2\u5bdf\u503c\u53ef\u4ee5\u4e0e\u53e6\u4e00\u7ec4\u4e2d\u7684\u89c2\u5bdf\u503c\u76f8\u5173\u8054\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b64\u65b9\u6cd5\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5047\u8bbe\u4e00\u4e2a\u73ed\u6709 20 \u540d\u5b66\u751f\u53c2\u52a0\u8003\u8bd5\uff0c\u7136\u540e\u5b66\u4e60\u67d0\u4e2a\u6307\u5357\uff0c\u7136\u540e\u518d\u6b21\u53c2\u52a0\u8003\u8bd5\u3002\u4e3a\u4e86\u6bd4\u8f83\u7b2c\u4e00\u6b21\u548c\u7b2c\u4e8c\u6b21\u6d4b\u8bd5\u5206\u6570\u4e4b\u95f4\u7684\u5dee\u5f02\uff0c\u6211\u4eec\u4f7f\u7528\u914d\u5bf9 t \u68c0\u9a8c\uff0c\u56e0\u4e3a\u5bf9\u4e8e\u6bcf\u4e2a\u5b66\u751f\uff0c\u4ed6\u4eec\u7684\u7b2c\u4e00\u6b21\u6d4b\u8bd5\u5206\u6570\u53ef\u4ee5\u4e0e\u4ed6\u4eec\u7684\u7b2c\u4e8c\u6b21\u6d4b\u8bd5\u5206\u6570\u76f8\u5173\u8054\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4e3a\u4e86\u4f7f t \u68c0\u9a8c\u4ea7\u751f\u6709\u6548\u7ed3\u679c\uff0c\u5fc5\u987b\u6ee1\u8db3\u4ee5\u4e0b\u5047\u8bbe\uff1a<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\"><strong>\u968f\u673a\uff1a<\/strong>\u5e94\u4f7f\u7528\u968f\u673a\u6837\u672c\u6216\u968f\u673a\u5b9e\u9a8c\u6765\u6536\u96c6\u4e24\u4e2a\u6837\u672c\u7684\u6570\u636e\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u6b63\u6001\uff1a<\/strong>\u62bd\u6837\u5206\u5e03\u5448\u6b63\u6001\u6216\u8fd1\u4f3c\u6b63\u6001\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u5982\u679c\u6ee1\u8db3\u8fd9\u4e9b\u5047\u8bbe\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 t \u68c0\u9a8c\u6765\u68c0\u9a8c\u4e24\u7ec4\u5747\u503c\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u65b9\u5dee\u5206\u6790<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\"><strong>ANOVA<\/strong> \uff08\u65b9\u5dee\u5206\u6790\uff09\u7528\u4e8e\u786e\u5b9a<span style=\"text-decoration: underline;\">\u4e09\u4e2a\u6216\u66f4\u591a\u7ec4<\/span>\u7684\u5e73\u5747\u503c\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u7edf\u8ba1\u663e\u7740\u5dee\u5f02\u3002<\/span><span style=\"color: #000000;\">\u5b9e\u8df5\u4e2d\u6700\u5e38\u7528\u7684\u65b9\u5dee\u5206\u6790\u662f\u5355\u5411\u65b9\u5dee\u5206\u6790\u548c\u53cc\u5411\u65b9\u5dee\u5206\u6790\uff1a<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u5355\u5411\u65b9\u5dee\u5206\u6790\uff1a<\/strong>\u5f53\u53ef\u4ee5\u5728<span style=\"text-decoration: underline;\">\u5355\u4e2a\u56e0\u7d20<\/span>\u4e0a\u62c6\u5206\u7ec4\u65f6\uff0c\u7528\u4e8e\u6d4b\u8bd5\u4e09\u4e2a\u6216\u591a\u4e2a\u7ec4\u7684\u5e73\u5747\u503c\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u7edf\u8ba1\u663e\u7740\u6027\u5dee\u5f02\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u793a\u4f8b\uff1a<\/strong>\u60a8\u5c06\u4e00\u4e2a\u7531 90 \u540d\u5b66\u751f\u7ec4\u6210\u7684\u73ed\u7ea7\u968f\u673a\u5206\u4e3a\u4e09\u7ec4\uff0c\u6bcf\u7ec4 30 \u4eba\u3002\u6bcf\u7ec4\u4f7f\u7528\u4e0d\u540c\u7684\u5b66\u4e60\u6280\u5de7\u4e00\u4e2a\u6708\u6765\u51c6\u5907\u8003\u8bd5\u3002\u6708\u5e95\uff0c\u6240\u6709\u5b66\u751f\u53c2\u52a0\u76f8\u540c\u7684\u8003\u8bd5\u3002\u60a8\u60f3\u77e5\u9053\u5b66\u4e60\u6280\u5de7\u662f\u5426\u4f1a\u5f71\u54cd\u8003\u8bd5\u6210\u7ee9\u3002\u56e0\u6b64\uff0c\u60a8\u6267\u884c\u5355\u5411\u65b9\u5dee\u5206\u6790\u6765\u786e\u5b9a\u4e09\u7ec4\u7684\u5e73\u5747\u5206\u6570\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u7edf\u8ba1\u663e\u7740\u5dee\u5f02\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u53cc\u5411\u65b9\u5dee\u5206\u6790\uff1a<\/strong>\u5f53\u7ec4\u53ef\u4ee5\u6839\u636e<span style=\"text-decoration: underline;\">\u4e24\u4e2a\u56e0\u7d20<\/span>\u8fdb\u884c\u62c6\u5206\u65f6\uff0c\u7528\u4e8e\u6d4b\u8bd5\u4e09\u4e2a\u6216\u66f4\u591a\u7ec4\u7684\u5e73\u5747\u503c\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u7edf\u8ba1\u663e\u7740\u5dee\u5f02\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u793a\u4f8b\uff1a<\/strong>\u60a8\u60f3\u8981\u786e\u5b9a\u8fd0\u52a8\u6c34\u5e73\uff08\u65e0\u8fd0\u52a8\u3001\u8f7b\u5ea6\u8fd0\u52a8\u3001\u5267\u70c8\u8fd0\u52a8\uff09\u548c\u6027\u522b\uff08\u7537\u6027\u3001\u5973\u6027\uff09\u662f\u5426\u4f1a\u5f71\u54cd\u51cf\u80a5\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u60a8\u6b63\u5728\u7814\u7a76\u7684\u4e24\u4e2a\u56e0\u7d20\u662f\u8fd0\u52a8\u548c\u6027\u522b\uff0c\u60a8\u7684\u54cd\u5e94\u53d8\u91cf\u662f\u4f53\u91cd\u51cf\u8f7b\uff08\u4ee5\u78c5\u4e3a\u5355\u4f4d\uff09\u3002\u60a8\u53ef\u4ee5\u6267\u884c\u53cc\u5411\u65b9\u5dee\u5206\u6790\u6765\u786e\u5b9a\u8fd0\u52a8\u548c\u6027\u522b\u662f\u5426\u5f71\u54cd\u51cf\u80a5\uff0c\u5e76\u786e\u5b9a\u8fd0\u52a8\u548c\u6027\u522b\u5bf9\u51cf\u80a5\u662f\u5426\u5b58\u5728\u4ea4\u4e92\u4f5c\u7528\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4e3a\u4e86\u4f7f\u65b9\u5dee\u5206\u6790\u4ea7\u751f\u6709\u6548\u7684\u7ed3\u679c\uff0c\u5fc5\u987b\u6ee1\u8db3\u4ee5\u4e0b\u5047\u8bbe\uff1a<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\"><strong>\u6b63\u6001\u6027<\/strong>\u2014\u2014\u6211\u4eec\u7814\u7a76\u7684\u6240\u6709\u4eba\u7fa4\u90fd\u9075\u5faa\u6b63\u6001\u5206\u5e03\u3002\u56e0\u6b64\uff0c\u4e3e\u4f8b\u6765\u8bf4\uff0c\u5982\u679c\u6211\u4eec\u8981\u6bd4\u8f83\u4e09\u7ec4\u4e0d\u540c\u5b66\u751f\u7684\u8003\u8bd5\u6210\u7ee9\uff0c\u90a3\u4e48\u7b2c\u4e00\u7ec4\u3001\u7b2c\u4e8c\u7ec4\u548c\u7b2c\u4e09\u7ec4\u7684\u8003\u8bd5\u6210\u7ee9\u90fd\u5e94\u8be5\u670d\u4ece\u6b63\u6001\u5206\u5e03\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u65b9\u5dee\u76f8\u7b49<\/strong>\u2014\u2014\u6bcf\u7ec4\u4e2d\u7684\u603b\u4f53\u65b9\u5dee\u76f8\u7b49\u6216\u8fd1\u4f3c\u76f8\u7b49\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>\u72ec\u7acb\u6027<\/strong>\u2014\u2014\u6bcf\u4e2a\u7ec4\u7684\u89c2\u5bdf\u7ed3\u679c\u5fc5\u987b\u76f8\u4e92\u72ec\u7acb\u3002\u901a\u5e38<\/span><a href=\"https:\/\/statorials.org\/cn\/\u7edf\u8ba1\u4e2d\u7684\u968f\u673a\u5316\/\" target=\"_blank\" rel=\"noopener\">\u968f\u673a\u8bbe\u8ba1<\/a><span style=\"color: #000000;\">\u53ef\u4ee5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u5982\u679c\u6ee1\u8db3\u8fd9\u4e9b\u5047\u8bbe\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u65b9\u5dee\u5206\u6790\u6765\u68c0\u9a8c\u4e09\u4e2a\u6216\u66f4\u591a\u7ec4\u7684\u5e73\u5747\u503c\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u4e86\u89e3\u6bcf\u4e2a\u6d4b\u8bd5\u4e4b\u95f4\u7684\u5dee\u5f02<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">t \u68c0\u9a8c\u548c\u65b9\u5dee\u5206\u6790\u4e4b\u95f4\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u8fd9\u4e24\u79cd\u68c0\u9a8c\u5982\u4f55\u8ba1\u7b97\u68c0\u9a8c\u7edf\u8ba1\u91cf\u4ee5\u786e\u5b9a\u7ec4\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u7edf\u8ba1\u663e\u7740\u5dee\u5f02\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u72ec\u7acb\u6837\u672c t \u68c0\u9a8c<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u68c0\u9a8c\u7edf\u8ba1\u91cf\uff1a<\/span><\/p>\n<p><span style=\"color: #000000;\">\u68c0\u9a8c\u7edf\u8ba1\u91cf<em>t<\/em> = [ ( <span style=\"border-top: 1px solid black;\">x<\/span> <sub>1<\/sub> \u2013 <span style=\"border-top: 1px solid black;\">x<\/span> <sub>2<\/sub> ) \u2013 d ] \/ (\u221a <span style=\"border-top: 1px solid black;\">s <sup>2<\/sup> <sub>1<\/sub> \/ n <sub>1<\/sub> + s <sup>2<\/sup> <sub>2<\/sub> \/ n <sub>2<\/sub><\/span> )<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d<span style=\"border-top: 1px solid black;\">x<\/span> <sub>1<\/sub>\u548c<span style=\"border-top: 1px solid black;\">x<\/span> <sub>2<\/sub>\u662f\u7ec4 1 \u548c 2 \u7684\u6837\u672c\u5747\u503c\uff0c <em>d<\/em>\u662f\u4e24\u4e2a\u5747\u503c\u4e4b\u95f4\u7684\u5047\u8bbe\u5dee\u5f02\uff08\u901a\u5e38\u4e3a\u96f6\uff09\uff0cs <sub>1<\/sub> <sup>2<\/sup>\u548c s <sub>2<\/sub> <sup>2<\/sup>\u662f\u7ec4 1 \u548c 2 \u7684\u6837\u672c\u65b9\u5dee\uff0c\u5e76\u4e14n <sub>1<\/sub>\u548cn <sub>2<\/sub>\u5206\u522b\u662f\u7ec41 \u548c\u7ec42 \u7684\u6837\u672c\u91cf\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u914d\u5bf9\u6837\u672c t \u68c0\u9a8c<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u68c0\u9a8c\u7edf\u8ba1\u91cf\uff1a<\/span><\/p>\n<p><span style=\"color: #000000;\">\u68c0\u9a8c\u7edf\u8ba1\u91cf<em>t<\/em> = <span style=\"border-top: 1px solid black;\">d<\/span> \/ (s <sub>d<\/sub> \/ \u221an)<\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d<span style=\"border-top: 1px solid black;\">d<\/span>\u662f\u4e24\u7ec4\u4e4b\u95f4\u7684\u5e73\u5747\u5dee\uff0cs <sub>d<\/sub>\u662f\u5dee\u503c\u7684\u6807\u51c6\u5dee\uff0cn \u662f\u6bcf\u7ec4\u7684\u6837\u672c\u91cf\uff08\u8bf7\u6ce8\u610f\uff0c\u4e24\u7ec4\u7684\u6837\u672c\u91cf\u76f8\u540c\uff09\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u65b9\u5dee\u5206\u6790<\/strong>\u4f7f\u7528\u4ee5\u4e0b\u68c0\u9a8c\u7edf\u8ba1\u91cf\uff1a<\/span><\/p>\n<p><span style=\"color: #000000;\">\u68c0\u9a8c\u7edf\u8ba1\u91cf<em>F<\/em> = s <sup>2<\/sup> <sub>b<\/sub> \/ s <sup>2<\/sup> <sub>w<\/sub><\/span><\/p>\n<p><span style=\"color: #000000;\">\u5176\u4e2d<\/span><span style=\"color: #000000;\">s <sup>2<\/sup> <sub>b<\/sub>\u662f\u6837\u672c\u95f4\u65b9\u5dee\uff0cs <sup>2<\/sup> <sub>w<\/sub>\u662f\u6837\u672c\u5185\u65b9\u5dee\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\">t \u68c0\u9a8c\u8861\u91cf\u4e24\u7ec4\u4e4b\u95f4\u7684\u5e73\u5747\u5dee\u5f02\u4e0e\u5dee\u5f02\u7684\u603b\u4f53\u6807\u51c6\u5dee\u7684\u6bd4\u7387\u3002\u5982\u679c\u8fd9\u4e2a\u6bd4\u7387\u8db3\u591f\u9ad8\uff0c\u5c31\u8db3\u4ee5\u8bc1\u660e\u4e24\u7ec4\u4e4b\u95f4\u5b58\u5728\u663e\u7740\u5dee\u5f02\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u53e6\u4e00\u65b9\u9762\uff0c\u65b9\u5dee\u5206\u6790\u8861\u91cf\u7ec4\u95f4\u65b9\u5dee\u4e0e\u7ec4\u5185\u65b9\u5dee\u7684\u6bd4\u7387\u3002\u4e0e t \u68c0\u9a8c\u4e00\u6837\uff0c\u5982\u679c\u8be5\u6bd4\u7387\u8db3\u591f\u9ad8\uff0c\u5219\u53ef\u4ee5\u63d0\u4f9b\u8db3\u591f\u7684\u8bc1\u636e\u8bc1\u660e\u4e09\u7ec4\u7684\u5747\u503c\u4e0d\u540c\u3002<\/span><\/p>\n<p> <span style=\"color: #000000;\">t \u68c0\u9a8c\u548c\u65b9\u5dee\u5206\u6790\u4e4b\u95f4\u7684\u53e6\u4e00\u4e2a\u4e3b\u8981\u533a\u522b\u662f t \u68c0\u9a8c\u53ef\u4ee5\u544a\u8bc9\u6211\u4eec\u4e24\u4e2a\u7ec4\u662f\u5426\u5177\u6709\u76f8\u540c\u7684\u5747\u503c\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u65b9\u5dee\u5206\u6790\u544a\u8bc9\u6211\u4eec\u4e09\u4e2a\u7ec4\u662f\u5426\u90fd\u5177\u6709\u76f8\u540c\u7684\u5747\u503c\uff0c\u4f46\u5b83\u5e76\u6ca1\u6709\u660e\u786e\u544a\u8bc9\u6211\u4eec<em>\u54ea\u4e9b<\/em>\u7ec4\u5f7c\u6b64\u5177\u6709\u4e0d\u540c\u7684\u5747\u503c\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4e3a\u4e86\u627e\u51fa\u54ea\u4e9b\u7ec4\u4e4b\u95f4\u5b58\u5728\u5dee\u5f02\uff0c\u9700\u8981\u8fdb\u884c<a href=\"https:\/\/statorials.org\/cn\/\u4e8b\u540e\u65b9\u5dee\u5206\u6790\u68c0\u9a8c\/\" target=\"_blank\" rel=\"noopener\">\u4e8b\u540e\u6d4b\u8bd5<\/a>\u3002<\/span><\/p>\n<h2><span style=\"color: #000000;\"><strong>\u4e86\u89e3\u4f55\u65f6\u4f7f\u7528\u6bcf\u4e2a\u6d4b\u8bd5<\/strong><\/span><\/h2>\n<p><span style=\"color: #000000;\">\u5728\u5b9e\u8df5\u4e2d\uff0c\u5f53\u6211\u4eec\u60f3\u8981\u6bd4\u8f83<span style=\"text-decoration: underline;\">\u4e24\u7ec4\u7684\u5747\u503c\u65f6<em>\uff0c<\/em><\/span>\u6211\u4eec\u4f7f\u7528 t \u68c0\u9a8c\u3002\u5f53\u6211\u4eec\u60f3\u8981\u6bd4\u8f83<span style=\"text-decoration: underline;\">\u4e09\u4e2a\u6216\u66f4\u591a\u7ec4<\/span>\u7684\u5e73\u5747\u503c\u65f6\uff0c\u6211\u4eec\u4f7f\u7528\u65b9\u5dee\u5206\u6790\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u4e0d\u7b80\u5355\u5730\u4f7f\u7528\u591a\u4e2a t \u68c0\u9a8c\u6765\u6bd4\u8f83\u4e09\u4e2a\u6216\u66f4\u591a\u7ec4\u7684\u5e73\u5747\u503c\u7684\u6839\u672c\u539f\u56e0\u53ef\u4ee5\u8ffd\u6eaf\u5230\u7406\u89e3 I \u7c7b\u9519\u8bef\u7387\u3002\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u6bd4\u8f83<\/span><span style=\"color: #000000;\">\u4e09\u4e2a\u7ec4\u7684\u5747\u503c\uff1aA \u7ec4\u3001B \u7ec4\u548c C \u7ec4\u3002\u60a8\u53ef\u80fd\u4f1a\u60f3\u8981\u6267\u884c\u4ee5\u4e0b\u4e09\u4e2a t \u68c0\u9a8c\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">t \u68c0\u9a8c\u6bd4\u8f83 A \u7ec4\u548c B \u7ec4\u4e4b\u95f4\u7684\u5747\u503c\u5dee\u5f02<\/span><\/li>\n<li><span style=\"color: #000000;\">t \u68c0\u9a8c\u6bd4\u8f83 A \u7ec4\u548c C \u7ec4\u4e4b\u95f4\u7684\u5747\u503c\u5dee\u5f02<\/span><\/li>\n<li><span style=\"color: #000000;\">t \u68c0\u9a8c\u6bd4\u8f83 B \u7ec4\u548c C \u7ec4\u4e4b\u95f4\u7684\u5747\u503c\u5dee\u5f02<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u5bf9\u4e8e\u6bcf\u4e2a t \u68c0\u9a8c\uff0c\u6211\u4eec\u90fd\u6709\u53ef\u80fd\u72af<strong>\u7b2c\u4e00\u7c7b\u9519\u8bef<\/strong>\uff0c\u5373\u5f53\u539f\u5047\u8bbe\u4e3a\u771f\u65f6\u6211\u4eec\u62d2\u7edd\u539f\u5047\u8bbe\u7684\u6982\u7387\u3002\u8fd9\u4e2a\u6982\u7387\u4e00\u822c\u662f5%\u3002\u8fd9\u610f\u5473\u7740\u5f53\u6211\u4eec\u6267\u884c\u591a\u6b21 t \u68c0\u9a8c\u65f6\uff0c\u9519\u8bef\u7387\u4f1a\u589e\u52a0\u3002\u4f8b\u5982\uff1a<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u6211\u4eec\u5728\u4e00\u6b21 t \u68c0\u9a8c\u4e2d\u72af I \u7c7b\u9519\u8bef\u7684\u6982\u7387\u662f 1 \u2013 0.95 = <strong>0.05<\/strong> \u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6211\u4eec\u901a\u8fc7\u4e24\u6b21 t \u68c0\u9a8c\u51fa\u73b0\u7c7b\u578b I \u9519\u8bef\u7684\u6982\u7387\u4e3a 1 \u2013 (0.95 <sup>2<\/sup> ) = <strong>0.0975<\/strong> \u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6211\u4eec\u901a\u8fc7\u4e24\u6b21 t \u68c0\u9a8c\u51fa\u73b0\u7c7b\u578b I \u9519\u8bef\u7684\u6982\u7387\u4e3a 1 \u2013 (0.95 <sup>3<\/sup> ) = <strong>0.1427<\/strong> \u3002<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u8fd9\u4e2a\u9519\u8bef\u7387\u9ad8\u5f97\u4ee4\u4eba\u65e0\u6cd5\u63a5\u53d7\u3002\u5e78\u8fd0\u7684\u662f\uff0c\u65b9\u5dee\u5206\u6790\u63a7\u5236\u4e86\u8fd9\u4e9b\u9519\u8bef\uff0c\u4f7f I \u7c7b\u9519\u8bef\u4fdd\u6301\u5728\u4ec5 5%\u3002\u8fd9\u4f7f\u6211\u4eec\u66f4\u52a0\u786e\u4fe1\u7edf\u8ba1\u4e0a\u663e\u7740\u7684\u6d4b\u8bd5\u7ed3\u679c\u5b9e\u9645\u4e0a\u662f\u6709\u610f\u4e49\u7684\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u6211\u4eec\u901a\u8fc7\u8fd0\u884c\u5927\u91cf\u6d4b\u8bd5\u83b7\u5f97\u7684\u7ed3\u679c\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u56e0\u6b64\uff0c\u5f53\u6211\u4eec\u60f3\u8981\u4e86\u89e3\u4e09\u4e2a\u6216\u66f4\u591a\u7ec4\u7684\u5e73\u5747\u503c\u4e4b\u95f4\u662f\u5426\u5b58\u5728\u5dee\u5f02\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528\u65b9\u5dee\u5206\u6790\uff0c\u4ee5\u4fbf\u6211\u4eec\u7684\u7ed3\u679c\u5728\u7edf\u8ba1\u4e0a\u6709\u6548\u4e14\u53ef\u9760\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6559\u7a0b\u89e3\u91ca\u4e86t \u68c0\u9a8c\u548c\u65b9\u5dee\u5206\u6790\u4e4b\u95f4\u7684\u533a\u522b\uff0c\u4ee5\u53ca\u4f55\u65f6\u4f7f\u7528\u6bcf\u79cd\u68c0\u9a8c\u3002 T\u68c0\u9a8c t \u68c0\u9a8c\u7528\u4e8e\u786e\u5b9a\u4e24\u7ec4\u5e73\u5747\u503c\u4e4b\u95f4\u662f\u5426\u5b58 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