{"id":2776,"date":"2023-07-20T18:20:24","date_gmt":"2023-07-20T18:20:24","guid":{"rendered":"https:\/\/statorials.org\/cn\/%e5%88%86%e7%bb%84%e6%95%b0%e6%8d%ae%e7%9a%84%e4%b8%ad%e4%bd%8d%e6%95%b0\/"},"modified":"2023-07-20T18:20:24","modified_gmt":"2023-07-20T18:20:24","slug":"%e5%88%86%e7%bb%84%e6%95%b0%e6%8d%ae%e7%9a%84%e4%b8%ad%e4%bd%8d%e6%95%b0","status":"publish","type":"post","link":"https:\/\/statorials.org\/cn\/%e5%88%86%e7%bb%84%e6%95%b0%e6%8d%ae%e7%9a%84%e4%b8%ad%e4%bd%8d%e6%95%b0\/","title":{"rendered":"\u5982\u4f55\u67e5\u627e\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u4f4d\u6570\uff1a\u4e3e\u4f8b"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u7ecf\u5e38\u60f3\u8981\u8ba1\u7b97\u4ee5\u67d0\u79cd\u65b9\u5f0f\u5206\u7ec4\u5728\u4e00\u8d77\u7684\u6570\u636e\u7684\u4e2d\u4f4d\u6570\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u56de\u60f3\u4e00\u4e0b\uff0c\u5f53\u6240\u6709\u503c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u65f6\uff0c<a href=\"https:\/\/statorials.org\/cn\/\u4e2d\u4f4d\u6570\u7684\u91cd\u8981\u6027\/\" target=\"_blank\" rel=\"noopener\">\u4e2d\u4f4d\u6570<\/a>\u8868\u793a\u76f4\u63a5\u4f4d\u4e8e\u6570\u636e\u96c6\u4e2d\u95f4\u7684\u503c\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4ee5\u4e0b\u5206\u7ec4\u6570\u636e\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-14462 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/mean_sd_grouped1.png\" alt=\"\" width=\"211\" height=\"223\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u5c3d\u7ba1\u7531\u4e8e\u6211\u4eec\u4e0d\u77e5\u9053<a href=\"https:\/\/statorials.org\/cn\/\u539f\u59cb\u6570\u636e\/\" target=\"_blank\" rel=\"noopener\">\u539f\u59cb\u6570\u636e\u503c\u800c<\/a>\u65e0\u6cd5\u8ba1\u7b97\u51c6\u786e\u7684\u4e2d\u4f4d\u6570\uff0c\u4f46\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u516c\u5f0f\u4f30\u8ba1\u4e2d\u4f4d\u6570\uff1a<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u4f4d\u6570 = L + W[(N\/2 \u2013 C) \/ F]<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">\u91d1\u5b50\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>L<\/strong> : \u4e2d\u4f4d\u7b49\u7ea7\u7684\u4e0b\u9650<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>W<\/strong> \uff1a\u4e2d\u4f4d\u7c7b\u5bbd\u5ea6<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>N<\/strong> : \u603b\u9891\u7387<\/span><\/li>\n<li><span style=\"color: #000000;\"><b>C<\/b> \uff1a\u8fbe\u5230\u4e2d\u4f4d\u7c7b\u522b\u7684\u7d2f\u79ef\u9891\u7387<\/span><\/li>\n<li><span style=\"color: #000000;\"><strong>F<\/strong> : \u4e2d\u4f4d\u73ed\u7ea7\u9891\u7387<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\"><strong>\u6ce8\u610f<\/strong>\uff1a<strong>\u4e2d\u95f4\u7c7b<\/strong>\u662f\u5305\u542b\u4f4d\u4e8e N\/2 \u7684\u503c\u7684\u7c7b\u3002\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u603b\u5171\u6709 N = 23 \u4e2a\u503c\u3002\u56e0\u6b64\uff0c\u4e2d\u4f4d\u503c\u4e3a 23\/2 = 11.5\uff0c\u5c5e\u4e8e 21-30 \u7ea7\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u8ba1\u7b97\u4e0d\u540c\u573a\u666f\u4e0b\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u4f4d\u6570\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u793a\u4f8b 1\uff1a\u8ba1\u7b97\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u4f4d\u6570<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u6709\u4ee5\u4e0b\u9891\u7387\u5206\u5e03\uff0c\u663e\u793a\u67d0\u4e2a\u73ed\u7ea7 40 \u540d\u5b66\u751f\u7684\u8003\u8bd5\u8bc4\u5206\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-24369 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/modefreq1.jpg\" alt=\"\" width=\"247\" height=\"223\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u603b\u5171\u6709 N = 40 \u4e2a\u503c\u3002\u56e0\u6b64\uff0c\u4e2d\u503c\u4f4d\u4e8e 40\/2 = 20 \u6240\u5728\u7684\u7c7b\u522b\u4e2d\u3002\u7b2c 20 \u5927\u503c\u5c06\u5728<strong>71-80<\/strong>\u7c7b\u4e2d\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u77e5\u9053\u4e86\u8fd9\u4e00\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u51fa\u4ee5\u4e0b\u503c\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>L<\/strong> : \u4e2d\u4ea7\u9636\u7ea7\u4e0b\u9650\uff1a <strong>71<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>W<\/strong> \uff1a\u4e2d\u4f4d\u7c7b\u5bbd\u5ea6\uff1a <strong>9<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>N<\/strong> \uff1a\u603b\u9891\u7387\uff1a <strong>40<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><b>C<\/b> \uff1a\u8fbe\u5230\u4e2d\u4f4d\u7b49\u7ea7\u7684\u7d2f\u79ef\u9891\u7387\uff1a <strong>12<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>F<\/strong> : \u4e2d\u4f4d\u6570\u73ed\u7ea7\u9891\u7387\uff1a <strong>15<\/strong><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u503c\u4ee3\u5165\u516c\u5f0f\u6765\u8ba1\u7b97\u5206\u5e03\u7684\u4e2d\u4f4d\u6570\uff1a<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u4e2d\u4f4d\u6570 = L + W[(N\/2 \u2013 C) \/ F]<\/span><\/li>\n<li><span style=\"color: #000000;\">\u4e2d\u4f4d\u6570 = 71 + 9[(40\/2 \u2013 12) \/ 15]<\/span><\/li>\n<li><span style=\"color: #000000;\">\u4e2d\u4f4d\u6570 = <strong>75.8<\/strong><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u4f30\u8ba1\u8003\u8bd5\u6210\u7ee9\u4e2d\u4f4d\u6570\u4e3a<strong>75.8 \u5206<\/strong>\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u793a\u4f8b 2\uff1a\u8ba1\u7b97\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u4f4d\u6570<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u5047\u8bbe\u6211\u4eec\u6709\u4ee5\u4e0b\u9891\u7387\u5206\u5e03\uff0c\u663e\u793a 60 \u540d\u7bee\u7403\u8fd0\u52a8\u5458\u6bcf\u573a\u6bd4\u8d5b\u7684\u5f97\u5206\u6570\uff1a<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-24370 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/modefreq2.jpg\" alt=\"\" width=\"248\" height=\"219\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p><span style=\"color: #000000;\">\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u603b\u5171\u6709 N = 60 \u4e2a\u503c\u3002\u56e0\u6b64\uff0c\u4e2d\u503c\u4f4d\u4e8e 60\/2 = 30 \u6240\u5728\u7684\u7c7b\u522b\u4e2d\u3002\u7b2c 30 \u5927\u503c\u5c06\u4f4d\u4e8e<strong>11-20<\/strong>\u7c7b\u4e2d\u3002<\/span><\/p>\n<p><span style=\"color: #000000;\">\u77e5\u9053\u4e86\u8fd9\u4e00\u70b9\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u51fa\u4ee5\u4e0b\u503c\uff1a<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>L<\/strong> : \u4e2d\u4ea7\u9636\u7ea7\u4e0b\u9650\uff1a <strong>11<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>W<\/strong> \uff1a\u4e2d\u4f4d\u7c7b\u5bbd\u5ea6\uff1a <strong>9<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>N<\/strong> \uff1a\u603b\u9891\u7387\uff1a <strong>60<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><b>C<\/b> : \u8fbe\u5230\u4e2d\u4f4d\u7b49\u7ea7\u7684\u7d2f\u79ef\u9891\u7387\uff1a <strong>8<\/strong><\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>F<\/strong> : \u4e2d\u4f4d\u6570\u73ed\u7ea7\u9891\u7387\uff1a <strong>25<\/strong><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u503c\u4ee3\u5165\u516c\u5f0f\u6765\u8ba1\u7b97\u5206\u5e03\u7684\u4e2d\u4f4d\u6570\uff1a<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u4e2d\u4f4d\u6570 = L + W[(N\/2 \u2013 C) \/ F]<\/span><\/li>\n<li><span style=\"color: #000000;\">\u4e2d\u4f4d\u6570 = 11 + 9[(60\/2 \u2013 8) \/ 25]<\/span><\/li>\n<li><span style=\"color: #000000;\">\u4e2d\u4f4d\u6570 = <strong>18.92<\/strong><\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">\u6211\u4eec\u4f30\u8ba1\u8003\u8bd5\u6210\u7ee9\u4e2d\u4f4d\u6570\u4e3a<strong>18.92 \u5206<\/strong>\u3002<\/span><\/p>\n<h3><span style=\"color: #000000;\"><strong>\u5176\u4ed6\u8d44\u6e90<\/strong><\/span><\/h3>\n<p><span style=\"color: #000000;\">\u4ee5\u4e0b\u6559\u7a0b\u8bf4\u660e\u5982\u4f55\u5bf9\u5206\u7ec4\u6570\u636e\u6267\u884c\u5176\u4ed6\u5e38\u89c1\u64cd\u4f5c\uff1a<\/span><\/p>\n<p><a href=\"https:\/\/statorials.org\/cn\/\u5e73\u5747\u6807\u51c6\u5dee\u6c47\u603b\u6570\u636e\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u6c42\u5206\u7ec4\u6570\u636e\u7684\u5e73\u5747\u503c\u548c\u6807\u51c6\u5dee<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u5206\u7ec4\u6570\u636e\u6a21\u5f0f\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u627e\u5230\u5206\u7ec4\u6570\u636e\u6a21\u5f0f<\/a><br \/><a href=\"https:\/\/statorials.org\/cn\/\u5206\u7ec4\u6570\u636e\u7684\u767e\u5206\u4f4d\u6570\u6392\u540d\/\" target=\"_blank\" rel=\"noopener\">\u5982\u4f55\u8ba1\u7b97\u5206\u7ec4\u6570\u636e\u7684\u767e\u5206\u4f4d\u6392\u540d<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u7ecf\u5e38\u60f3\u8981\u8ba1\u7b97\u4ee5\u67d0\u79cd\u65b9\u5f0f\u5206\u7ec4\u5728\u4e00\u8d77\u7684\u6570\u636e\u7684\u4e2d\u4f4d\u6570\u3002 \u56de\u60f3\u4e00\u4e0b\uff0c\u5f53\u6240\u6709\u503c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\u65f6\uff0c\u4e2d\u4f4d\u6570\u8868\u793a\u76f4\u63a5\u4f4d\u4e8e\u6570\u636e [&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-2776","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\u6c42\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u4f4d\u6570\uff08\u9644\u793a\u4f8b\uff09\u2014\u2014\u7edf\u8ba1\u5b66<\/title>\n<meta name=\"description\" content=\"\u672c\u6559\u7a0b\u901a\u8fc7\u51e0\u4e2a\u793a\u4f8b\u89e3\u91ca\u4e86\u5982\u4f55\u8ba1\u7b97\u5206\u7ec4\u6570\u636e\u7684\u4e2d\u503c\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, 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