{"id":864,"date":"2023-07-28T12:19:12","date_gmt":"2023-07-28T12:19:12","guid":{"rendered":"https:\/\/statorials.org\/cn\/z-%e4%b8%b4%e7%95%8c%e5%80%bc-python\/"},"modified":"2023-07-28T12:19:12","modified_gmt":"2023-07-28T12:19:12","slug":"z-%e4%b8%b4%e7%95%8c%e5%80%bc-python","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/z-%e4%b8%b4%e7%95%8c%e5%80%bc-python\/","title":{"rendered":"\u5982\u4f55\u5728python\u4e2d\u627e\u5230\u4e34\u754cz\u503c"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u6bcf\u6b21\u6267\u884c\u5047\u8bbe\u68c0\u9a8c\u65f6\uff0c\u60a8\u90fd\u4f1a\u83b7\u5f97\u68c0\u9a8c\u7edf\u8ba1\u91cf\u3002\u8981\u786e\u5b9a\u5047\u8bbe\u68c0\u9a8c\u7ed3\u679c\u662f\u5426\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\uff0c\u60a8\u53ef\u4ee5\u5c06\u68c0\u9a8c\u7edf\u8ba1\u91cf\u4e0e<strong>\u4e34\u754c Z \u503c<\/strong>\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u68c0\u9a8c\u7edf\u8ba1\u91cf\u7684\u7edd\u5bf9\u503c\u5927\u4e8e\u4e34\u754c Z \u503c\uff0c\u5219\u68c0\u9a8c\u7ed3\u679c\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u8981\u5728 Python \u4e2d\u67e5\u627e\u4e34\u754c Z \u503c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528<\/span><a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.norm.html\" target=\"_blank\" rel=\"noopener\">scipy.stats.norm.ppf() \u51fd\u6570<\/a><span style=\"color: #000000;\">\uff0c\u8be5\u51fd\u6570\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>scipy.stats.norm.ppf(q)<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u91d1\u5b50\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>q\uff1a<\/strong>\u4f7f\u7528\u7684\u91cd\u8981\u6027\u7ea7\u522b<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u793a\u4f8b\u8bf4\u660e\u5982\u4f55\u67e5\u627e\u5de6\u624b\u6d4b\u8bd5\u3001\u53f3\u624b\u6d4b\u8bd5\u548c\u53cc\u5c3e\u6d4b\u8bd5\u7684\u4e34\u754c Z \u503c\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u5de6\u6d4b\u8bd5<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u627e\u5230\u663e\u7740\u6027\u6c34\u5e73\u4e3a 0.05 \u7684\u5de6\u68c0\u9a8c\u7684\u4e34\u754c Z \u503c\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats\n\n<span style=\"color: #008080;\">#find Z critical value<\/span>\nscipy.stats.norm.ppf(.05)\n\n-1.64485\n<\/strong><\/pre>\n<p data-slot-rendered-dynamic=\"true\"><span style=\"color: #000000;\">\u4e34\u754c Z \u503c\u4e3a<strong>-1.64485<\/strong> \u3002\u56e0\u6b64\uff0c\u5982\u679c\u68c0\u9a8c\u7edf\u8ba1\u91cf\u5c0f\u4e8e\u8be5\u503c\uff0c\u5219\u68c0\u9a8c\u7ed3\u679c\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u6b63\u786e\u7684\u6d4b\u8bd5<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u627e\u5230\u663e\u7740\u6027\u6c34\u5e73\u4e3a 0.05 \u7684\u53f3\u4fa7\u68c0\u9a8c\u7684\u4e34\u754c Z \u503c\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats\n\n<span style=\"color: #008080;\">#find Z critical value<\/span>\nscipy.stats.norm.ppf(1-.05)\n\n1.64485\n<\/strong><\/pre>\n<p data-slot-rendered-dynamic=\"true\"><span style=\"color: #000000;\">\u4e34\u754c Z \u503c\u4e3a<strong>1.64485<\/strong> \u3002\u56e0\u6b64\uff0c\u5982\u679c\u68c0\u9a8c\u7edf\u8ba1\u91cf\u5927\u4e8e\u8be5\u503c\uff0c\u5219\u68c0\u9a8c\u7ed3\u679c\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u53cc\u9762\u6d4b\u8bd5<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u627e\u5230\u663e\u7740\u6027\u6c34\u5e73\u4e3a 0.05 \u7684\u53cc\u5c3e\u68c0\u9a8c\u7684\u4e34\u754c Z \u503c\uff1a<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #107d3f;\">import<\/span> scipy.stats\n\n<span style=\"color: #008080;\">#find Z critical value<\/span>\nscipy.stats.norm.ppf(1-.05\/2)\n\n1.95996\n<\/strong><\/pre>\n<p data-slot-rendered-dynamic=\"true\"><span style=\"color: #000000;\">\u6bcf\u6b21\u6267\u884c\u53cc\u5c3e\u68c0\u9a8c\u65f6\uff0c\u90fd\u4f1a\u6709\u4e24\u4e2a\u4e34\u754c\u503c\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u4e34\u754c Z \u503c\u4e3a<strong>1.95996<\/strong>\u548c<strong>-1.95996<\/strong> \u3002\u56e0\u6b64\uff0c\u5982\u679c\u68c0\u9a8c\u7edf\u8ba1\u91cf\u5c0f\u4e8e -1.95996 \u6216\u5927\u4e8e 1.95996\uff0c\u5219\u68c0\u9a8c\u7ed3\u679c\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\u3002<\/span> <\/p>\n<div class=\"entry-content entry-content-single\" data-content-ads-inserted=\"true\">\n<div class=\"entry-content entry-content-single\" data-content-ads-inserted=\"true\">\n<p><em><span style=\"color: #000000;\">\u6709\u5173norm.ppf() \u51fd\u6570\u7684\u786e\u5207\u8be6\u7ec6\u4fe1\u606f\uff0c<\/span><span style=\"color: #000000;\">\u8bf7\u53c2\u9605<\/span><a href=\"https:\/\/docs.scipy.org\/doc\/scipy\/reference\/generated\/scipy.stats.norm.html\" target=\"_blank\" rel=\"noopener\">SciPy \u6587\u6863<\/a>\u3002<\/em><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6bcf\u6b21\u6267\u884c\u5047\u8bbe\u68c0\u9a8c\u65f6\uff0c\u60a8\u90fd\u4f1a\u83b7\u5f97\u68c0\u9a8c\u7edf\u8ba1\u91cf\u3002\u8981\u786e\u5b9a\u5047\u8bbe\u68c0\u9a8c\u7ed3\u679c\u662f\u5426\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\uff0c\u60a8\u53ef\u4ee5\u5c06\u68c0\u9a8c\u7edf\u8ba1\u91cf\u4e0e\u4e34\u754c Z  [&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-864","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\u5728Python\u4e2d\u627e\u5230\u4e34\u754c\u503cZ \u2013 Statorials<\/title>\n<meta name=\"description\" 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