{"id":848,"date":"2023-07-28T13:38:15","date_gmt":"2023-07-28T13:38:15","guid":{"rendered":"https:\/\/statorials.org\/cn\/t-%e6%b5%8b%e8%af%95-python-%e7%a4%ba%e4%be%8b\/"},"modified":"2023-07-28T13:38:15","modified_gmt":"2023-07-28T13:38:15","slug":"t-%e6%b5%8b%e8%af%95-python-%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/t-%e6%b5%8b%e8%af%95-python-%e7%a4%ba%e4%be%8b\/","title":{"rendered":"\u5982\u4f55\u5728 python \u4e2d\u6267\u884c\u5355\u6837\u672c t \u68c0\u9a8c"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/cn\/\u6837\u672c-t-\u68c0\u9a8c\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u5355\u6837\u672c t \u68c0\u9a8c<\/a>\u7528\u4e8e\u786e\u5b9a\u603b\u4f53\u5e73\u5747\u503c\u662f\u5426\u7b49\u4e8e\u67d0\u4e00\u503c\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u672c\u6559\u7a0b\u4ecb\u7ecd\u5982\u4f55\u5728 Python \u4e2d\u6267\u884c\u5355\u6837\u672c t \u68c0\u9a8c\u3002<\/span><\/p>\n<h3><strong>\u793a\u4f8b\uff1aPython \u4e2d\u7684 t \u68c0\u9a8c\u793a\u4f8b<\/strong><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u4e00\u4f4d\u690d\u7269\u5b66\u5bb6\u60f3\u77e5\u9053\u67d0\u79cd\u690d\u7269\u7684\u5e73\u5747\u9ad8\u5ea6\u662f\u5426\u7b49\u4e8e 15 \u82f1\u5bf8\u3002\u5979\u968f\u673a\u62bd\u53d6\u4e86 12 \u79cd\u690d\u7269\u5e76\u8bb0\u5f55\u4e86\u6bcf\u79cd\u690d\u7269\u7684\u9ad8\u5ea6\uff08\u4ee5\u82f1\u5bf8\u4e3a\u5355\u4f4d\uff09\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f7f\u7528\u4ee5\u4e0b\u6b65\u9aa4\u6267\u884c\u5355\u6837\u672c t \u68c0\u9a8c\uff0c\u4ee5\u786e\u5b9a\u8be5\u690d\u7269\u7269\u79cd\u7684\u5e73\u5747\u9ad8\u5ea6\u662f\u5426\u5b9e\u9645\u4e0a\u4e3a 15 \u82f1\u5bf8\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u7b2c 1 \u6b65\uff1a\u521b\u5efa\u6570\u636e\u3002<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u9996\u5148\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u8868\u6765\u5305\u542b 12 \u79cd\u690d\u7269\u7684\u6d4b\u91cf\u503c\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong>data = [14, 14, 16, 13, 12, 17, 15, 14, 15, 13, 15, 14]<\/strong><\/pre>\n<p><span style=\"color: #000000;\"><strong>\u6b65\u9aa4 2\uff1a\u6267\u884c\u5355\u6837\u672c t \u68c0\u9a8c\u3002<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u4f7f\u7528 scipy.stats \u5e93\u4e2d\u7684<a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.ttest_1samp.html\" target=\"_blank\" rel=\"noopener noreferrer\">ttest_1samp() \u51fd\u6570<\/a>\u6765\u6267\u884c\u793a\u4f8b t \u68c0\u9a8c\uff0c\u8be5\u51fd\u6570\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>ttest_1samp(a, \u6d41\u884c\u5e73\u5747\u503c)<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u91d1\u5b50\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>a\uff1a<\/strong>\u6837\u672c\u89c2\u5bdf\u8868<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>popmean\uff1a<\/strong>\u603b\u4f53\u7684\u9884\u671f\u5e73\u5747\u503c<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u662f\u5728\u6211\u4eec\u7684\u5177\u4f53\u793a\u4f8b\u4e2d\u5982\u4f55\u4f7f\u7528\u6b64\u51fd\u6570\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats <span style=\"color: #107d3f;\">as<\/span> stats\n\n<span style=\"color: #008080;\">#perform one sample t-test<\/span>\nstats.ttest_1samp(a=data, popmean=15)\n\n(statistic=-1.6848, pvalue=0.1201)\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">t \u68c0\u9a8c\u7edf\u8ba1\u91cf\u4e3a<strong>-1.6848<\/strong> \uff0c\u76f8\u5e94\u7684\u53cc\u5c3e p \u503c\u4e3a<strong>0.1201<\/strong> \u3002<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u7b2c 3 \u6b65\uff1a\u89e3\u91ca\u7ed3\u679c\u3002<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u9488\u5bf9\u7279\u5b9a\u6837\u672c\u8fdb\u884c t \u68c0\u9a8c\u7684\u4e24\u4e2a\u5047\u8bbe\u5982\u4e0b\uff1a<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>0<\/sub> :<\/strong> \u00b5 = 15\uff08\u8be5\u690d\u7269\u7269\u79cd\u7684\u5e73\u5747\u9ad8\u5ea6\u4e3a 15 \u82f1\u5bf8\uff09<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>H <sub>A<\/sub> :<\/strong> \u00b5 \u226015\uff08\u5e73\u5747\u9ad8\u5ea6<em>\u4e0d\u662f<\/em>15 \u82f1\u5bf8\uff09<\/span><\/p>\n<p><span style=\"color: #000000;\">\u7531\u4e8e\u6211\u4eec\u7684\u68c0\u9a8c\u7684 p \u503c<strong>(0.1201)<\/strong>\u5927\u4e8e alpha = 0.05\uff0c\u56e0\u6b64\u6211\u4eec\u65e0\u6cd5\u62d2\u7edd\u68c0\u9a8c\u7684\u539f\u5047\u8bbe\u3002\u6211\u4eec\u6ca1\u6709\u8db3\u591f\u7684\u8bc1\u636e\u8868\u660e\u8fd9\u79cd\u7279\u5b9a\u690d\u7269\u7684\u5e73\u5747\u9ad8\u5ea6\u4e0d\u662f 15 \u82f1\u5bf8\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h3>\n<p><a href=\"https:\/\/statorials.org\/cn\/\u4e24\u4e2a\u6837\u672c-t-\u6d4b\u8bd5-python\/\">\u5982\u4f55\u5728 Python \u4e2d\u6267\u884c\u4e24\u4e2a\u6837\u672c T \u68c0\u9a8c<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u914d\u5bf9\u6837\u672c-t-\u68c0\u9a8c-python\/\">\u5982\u4f55\u5728 Python \u4e2d\u6267\u884c\u914d\u5bf9\u6837\u672c T \u68c0\u9a8c<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5355\u6837\u672c t \u68c0\u9a8c\u7528\u4e8e\u786e\u5b9a\u603b\u4f53\u5e73\u5747\u503c\u662f\u5426\u7b49\u4e8e\u67d0\u4e00\u503c\u3002 \u672c\u6559\u7a0b\u4ecb\u7ecd\u5982\u4f55\u5728 Python \u4e2d\u6267\u884c\u5355\u6837\u672c t \u68c0\u9a8c\u3002  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-848","post","type-post","status-publish","format-standard","hentry","category-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u5728 Python \u4e2d\u6267\u884c\u5355\u6837\u672c T \u68c0\u9a8c - Statorials<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u5982\u4f55\u5728 Python \u4e2d\u6267\u884c\u5355\u6837\u672c t \u68c0\u9a8c\u7684\u7b80\u5355\u8bf4\u660e\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/cn\/t-\u6d4b\u8bd5-python-\u793a\u4f8b\/\" 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