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\u5728\u7edf\u8ba1\u5b66\u4e2d\uff0c \u56de\u5f52<\/a>\u662f\u4e00\u79cd\u53ef\u7528\u4e8e\u5206\u6790\u9884\u6d4b\u53d8\u91cf\u548c\u54cd\u5e94\u53d8\u91cf\u4e4b\u95f4\u5173\u7cfb\u7684\u6280\u672f\u3002<\/span><\/p>\n

\u5f53\u60a8\u4f7f\u7528\u8f6f\u4ef6\uff08\u5982 R\u3001SAS\u3001SPSS \u7b49\uff09\u6267\u884c\u56de\u5f52\u5206\u6790\u65f6\uff0c\u60a8\u5c06\u6536\u5230\u603b\u7ed3\u56de\u5f52\u7ed3\u679c\u7684\u56de\u5f52\u8868\u4f5c\u4e3a\u8f93\u51fa\u3002\u4e86\u89e3\u5982\u4f55\u9605\u8bfb\u6b64\u8868\u975e\u5e38\u91cd\u8981\uff0c\u8fd9\u6837\u60a8\u624d\u80fd\u4e86\u89e3\u56de\u5f52\u5206\u6790\u7684\u7ed3\u679c\u3002<\/span><\/p>\n

\u672c\u6559\u7a0b\u5c55\u793a\u4e86\u56de\u5f52\u5206\u6790\u7684\u793a\u4f8b\uff0c\u5e76\u8be6\u7ec6\u8bf4\u660e\u4e86\u5982\u4f55\u8bfb\u53d6\u548c\u89e3\u91ca\u56de\u5f52\u8868\u7684\u7ed3\u679c\u3002<\/span><\/p>\n

\u56de\u5f52\u7684\u4f8b\u5b50<\/strong><\/span><\/h2>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4ee5\u4e0b\u6570\u636e\u96c6\uff0c\u663e\u793a 12 \u540d\u4e0d\u540c\u5b66\u751f\u7684\u5b66\u4e60\u603b\u65f6\u6570\u3001\u53c2\u52a0\u7684\u9884\u79d1\u8003\u8bd5\u603b\u6570\u4ee5\u53ca\u671f\u672b\u8003\u8bd5\u6210\u7ee9\uff1a<\/span><\/p>\n

\u4e3a\u4e86\u5206\u6790\u5b66\u4e60\u65f6\u95f4\u548c\u51c6\u5907\u8003\u8bd5\u4e0e\u5b66\u751f\u83b7\u5f97\u7684\u671f\u672b\u8003\u8bd5\u6210\u7ee9\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u6211\u4eec\u4f7f\u7528\u5b66\u4e60\u65f6\u95f4<\/em>\u548c\u51c6\u5907<\/em>\u8003\u8bd5\u4f5c\u4e3a<\/em>\u9884\u6d4b\u53d8\u91cf\uff0c\u5e76\u5c06\u6700\u7ec8\u8003\u8bd5\u6210\u7ee9<\/em>\u4f5c\u4e3a\u54cd\u5e94\u53d8\u91cf\u8fdb\u884c\u591a\u5143\u7ebf\u6027\u56de\u5f52\u3002<\/span><\/p>\n

\u6211\u4eec\u6536\u5230\u4ee5\u4e0b\u7ed3\u679c\uff1a<\/span><\/p>\n

\u68c0\u67e5\u6a21\u578b\u62df\u5408<\/strong><\/span><\/h2>\n

\u7b2c\u4e00\u90e8\u5206\u663e\u793a\u4e86\u8861\u91cf\u56de\u5f52\u6a21\u578b\u62df\u5408\u5ea6\u7684\u51e0\u4e2a\u4e0d\u540c\u6570\u5b57\uff0c\u5373\u56de\u5f52\u6a21\u578b\u80fd\u591f\u201c\u62df\u5408\u201d\u6570\u636e\u96c6\u7684\u7a0b\u5ea6\u3002<\/span><\/p>\n

\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u91ca\u672c\u8282\u4e2d\u7684\u6bcf\u4e2a\u6570\u5b57\uff1a<\/span><\/p>\n

\u51e0\u5362\u6bd4<\/strong><\/span><\/h3>\n

\u8fd9\u5c31\u662f\u76f8\u5173\u7cfb\u6570<\/a>\u3002\u5b83\u8861\u91cf\u9884\u6d4b\u53d8\u91cf\u548c\u54cd\u5e94\u53d8\u91cf\u4e4b\u95f4\u7ebf\u6027\u5173\u7cfb\u7684\u5f3a\u5ea6\u3002 R \u500d\u6570\u4e3a 1 \u8868\u793a\u5b8c\u7f8e\u7ebf\u6027\u5173\u7cfb\uff0c\u800c R \u500d\u6570\u4e3a 0 \u8868\u793a\u6ca1\u6709\u7ebf\u6027\u5173\u7cfb\u3002 R \u7684\u500d\u6570\u662f R \u5e73\u65b9\u7684\u5e73\u65b9\u6839\uff08\u89c1\u4e0b\u6587\uff09\u3002<\/span><\/p>\n

\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u500d\u6570 R \u4e3a 0.72855<\/strong> \uff0c\u8fd9\u8868\u660e\u9884\u6d4b\u53d8\u91cf\u7684\u5b66\u4e60\u65f6\u95f4<\/em>\u548c\u51c6\u5907\u8003\u8bd5<\/em>\u4e0e\u54cd\u5e94\u53d8\u91cf\u7684\u671f\u672b\u8003\u8bd5\u6210\u7ee9<\/em>\u4e4b\u95f4\u5b58\u5728\u76f8\u5f53\u5f3a\u7684\u7ebf\u6027\u5173\u7cfb\u3002<\/span><\/p>\n

R\u5e73\u65b9<\/span><\/strong><\/h3>\n

\u8fd9\u901a\u5e38\u5199\u4e3ar2<\/sup> \uff0c\u4e5f\u79f0\u4e3a\u51b3\u5b9a<\/span>\u7cfb\u6570<\/em>\u3002\u8fd9\u662f\u54cd\u5e94\u53d8\u91cf\u4e2d\u53ef\u7531\u9884\u6d4b\u53d8\u91cf\u89e3\u91ca\u7684\u65b9\u5dee\u6bd4\u4f8b\u3002<\/span><\/p>\n

R \u5e73\u65b9\u503c\u7684\u8303\u56f4\u4e3a 0 \u5230 1\u3002\u503c 0 \u8868\u793a\u54cd\u5e94\u53d8\u91cf\u6839\u672c\u65e0\u6cd5\u7531\u9884\u6d4b\u53d8\u91cf\u89e3\u91ca\u3002\u503c\u4e3a 1 \u8868\u793a\u54cd\u5e94\u53d8\u91cf\u53ef\u4ee5\u7531\u9884\u6d4b\u53d8\u91cf\u5b8c\u7f8e\u89e3\u91ca\uff0c\u6ca1\u6709\u9519\u8bef\u3002<\/span><\/p>\n

\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c R \u5e73\u65b9\u4e3a 0.5307<\/strong> \uff0c\u8fd9\u8868\u660e\u671f\u672b\u8003\u8bd5\u6210\u7ee9\u4e2d 53.07% \u7684\u5dee\u5f02\u53ef\u4ee5\u901a\u8fc7\u5b66\u4e60\u65f6\u6570\u548c\u8fc7\u53bb\u6a21\u62df\u8003\u8bd5\u7684\u6b21\u6570\u6765\u89e3\u91ca\u3002<\/span><\/p>\n

\u76f8\u5173\uff1a<\/strong><\/span> \u4ec0\u4e48\u662f\u597d\u7684 R \u5e73\u65b9\u503c\uff1f<\/a><\/p>\n

\u8c03\u6574\u540e\u7684 R \u5e73\u65b9<\/strong><\/span><\/h3>\n

\u8fd9\u662f R \u5e73\u65b9\u7684\u4fee\u6539\u7248\u672c\uff0c\u5df2\u6839\u636e\u6a21\u578b\u4e2d\u9884\u6d4b\u53d8\u91cf\u7684\u6570\u91cf\u8fdb\u884c\u4e86\u8c03\u6574\u3002\u5b83\u603b\u662f\u5c0f\u4e8e R \u5e73\u65b9\u3002\u8c03\u6574\u540e\u7684 R \u5e73\u65b9\u53ef\u7528\u4e8e\u6bd4\u8f83\u4e0d\u540c\u56de\u5f52\u6a21\u578b\u4e4b\u95f4\u7684\u62df\u5408\u5ea6\u3002<\/span><\/p>\n

\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u8c03\u6574\u540e\u7684 R \u5e73\u65b9\u4e3a 0.4265\u3002<\/strong><\/span><\/p>\n

\u56de\u5f52\u7684\u6807\u51c6\u8bef\u5dee<\/strong><\/span><\/h3>\n

\u56de\u5f52\u7684\u6807\u51c6\u8bef\u5dee\u662f\u89c2\u6d4b\u503c\u4e0e\u56de\u5f52\u7ebf\u4e4b\u95f4\u7684\u5e73\u5747\u8ddd\u79bb\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u89c2\u6d4b\u503c\u4e0e\u56de\u5f52\u7ebf\u5e73\u5747\u504f\u5dee 7.3267 \u4e2a\u5355\u4f4d\u3002<\/strong><\/span><\/p>\n

\u76f8\u5173\uff1a<\/strong><\/span> \u4e86\u89e3\u56de\u5f52\u7684\u6807\u51c6\u8bef\u5dee<\/a><\/p>\n

\u8bc4\u8bba<\/strong><\/span><\/h3>\n

\u8fd9\u53ea\u662f\u6211\u4eec\u6570\u636e\u96c6\u4e2d\u7684\u89c2\u5bdf<\/a>\u6570\u91cf\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u89c2\u6d4b\u503c\u603b\u6570\u4e3a 12<\/strong> \u3002<\/span><\/p>\n

\u68c0\u9a8c\u56de\u5f52\u6a21\u578b\u7684\u6574\u4f53\u663e\u7740\u6027<\/strong><\/span><\/h2>\n

\u4ee5\u4e0b\u90e8\u5206\u663e\u793a\u56de\u5f52\u6a21\u578b\u7684\u81ea\u7531\u5ea6\u3001\u5e73\u65b9\u548c\u3001\u5747\u65b9\u3001F \u7edf\u8ba1\u91cf\u548c\u6574\u4f53\u663e\u7740\u6027\u3002<\/span><\/p>\n

\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u91ca\u672c\u8282\u4e2d\u7684\u6bcf\u4e2a\u6570\u5b57\uff1a<\/span><\/p>\n

\u56de\u5f52\u81ea\u7531\u5ea6<\/strong><\/span><\/h3>\n

\u8fd9\u4e2a\u6570\u5b57\u7b49\u4e8e\uff1a\u56de\u5f52\u7cfb\u6570\u7684\u6570\u91cf \u2013 1\u3002<\/span>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u6709\u4e00\u4e2a\u539f\u59cb\u9879\u548c\u4e24\u4e2a\u9884\u6d4b\u53d8\u91cf\uff0c\u6240\u4ee5\u6211\u4eec\u603b\u5171\u6709\u4e09\u4e2a\u56de\u5f52\u7cfb\u6570\uff0c\u8fd9\u610f\u5473\u7740\u56de\u5f52\u7684\u81ea\u7531\u5ea6\u662f 3 \u2013 1 = 2<\/strong> \u3002<\/span><\/p>\n

\u603b\u81ea\u7531\u5ea6<\/span><\/strong><\/h3>\n

\u8be5\u6570\u5b57\u7b49\u4e8e\uff1a\u89c2\u6d4b\u503c\u6570\u91cf \u2013 1\u3002<\/span>\u5728\u672c\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6709 12 \u4e2a\u89c2\u6d4b\u503c\uff0c\u56e0\u6b64\u81ea\u7531\u5ea6\u603b\u6570\u4e3a 12 \u2013 1 = 11<\/strong> \u3002<\/span><\/p>\n

\u5269\u4f59\u81ea\u7531\u5ea6<\/strong><\/span><\/h3>\n

\u8be5\u6570\u5b57\u7b49\u4e8e\uff1a\u603b df \u2013 \u56de\u5f52 df\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u5269\u4f59\u81ea\u7531\u5ea6\u4e3a11 \u2013 2 = 9<\/strong> \u3002<\/span><\/p>\n

\u5747\u65b9<\/strong><\/span><\/h3>\n

\u56de\u5f52\u5747\u65b9\u901a\u8fc7 SS \u56de\u5f52\/df \u56de\u5f52\u8ba1\u7b97\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u56de\u5f52 MS = 546.53308 \/ 2 = 273.2665<\/strong> \u3002<\/span><\/p>\n

\u6b8b\u5dee\u5747\u65b9\u901a\u8fc7\u6b8b\u5dee SS\/\u6b8b\u5dee df \u8ba1\u7b97\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6b8b\u4f59 MS = 483.1335 \/ 9 = 53.68151<\/strong> \u3002<\/span><\/p>\n

F\u7edf\u8ba1\u91cf<\/strong><\/span><\/h3>\n

f \u7edf\u8ba1\u91cf\u8ba1\u7b97\u4e3a MS \u56de\u5f52\/MS \u6b8b\u5dee\u3002\u8be5\u7edf\u8ba1\u6570\u636e\u8868\u660e\u56de\u5f52\u6a21\u578b\u662f\u5426\u6bd4\u4e0d\u5305\u542b\u81ea\u53d8\u91cf\u7684\u6a21\u578b\u66f4\u9002\u5408\u6570\u636e\u3002<\/span><\/p>\n

\u672c\u8d28\u4e0a\uff0c\u5b83\u6d4b\u8bd5\u6574\u4e2a\u56de\u5f52\u6a21\u578b\u662f\u5426\u6709\u7528\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5982\u679c\u6a21\u578b\u4e2d\u7684\u9884\u6d4b\u53d8\u91cf\u5747\u4e0d\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\uff0c\u5219\u603b\u4f53 F \u7edf\u8ba1\u91cf\u4e5f\u4e0d\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\u3002<\/span><\/p>\n

\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c F \u7edf\u8ba1\u91cf\u4e3a 273.2665 \/ 53.68151 = 5.09<\/strong> \u3002<\/span><\/p>\n

F\u7684\u91cd\u8981\u6027\uff08P\u503c\uff09<\/span><\/strong><\/h3>\n

\u8868\u4e2d\u7684\u6700\u540e\u4e00\u4e2a\u503c\u662f\u4e0e F \u7edf\u8ba1\u91cf\u76f8\u5173\u7684 p \u503c\u3002\u8981\u67e5\u770b\u6574\u4f53\u56de\u5f52\u6a21\u578b\u662f\u5426\u663e\u7740\uff0c\u60a8\u53ef\u4ee5\u5c06 p \u503c\u4e0e\u663e\u7740\u6027\u6c34\u5e73\u8fdb\u884c\u6bd4\u8f83\uff1b\u5e38\u89c1\u9009\u62e9\u4e3a 0.01\u30010.05 \u548c 0.10\u3002<\/span><\/p>\n

\u5982\u679c p \u503c\u4f4e\u4e8e\u663e\u7740\u6027\u6c34\u5e73\uff0c\u5219\u6709\u8db3\u591f\u7684\u8bc1\u636e\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\uff0c\u56de\u5f52\u6a21\u578b\u6bd4\u6ca1\u6709\u9884\u6d4b\u53d8\u91cf\u7684\u6a21\u578b\u66f4\u597d\u5730\u62df\u5408\u6570\u636e\u3002\u8fd9\u4e2a\u7ed3\u679c\u662f\u79ef\u6781\u7684\uff0c\u56e0\u4e3a\u5b83\u610f\u5473\u7740\u6a21\u578b\u7684\u9884\u6d4b\u53d8\u91cf\u5b9e\u9645\u4e0a\u6539\u5584\u4e86\u6a21\u578b\u7684\u62df\u5408\u5ea6\u3002<\/span><\/p>\n

\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c p \u503c\u4e3a 0.033<\/strong> \uff0c\u4f4e\u4e8e\u5e38\u89c1\u663e\u7740\u6027\u6c34\u5e73 0.05\u3002\u8fd9\u8868\u660e\u56de\u5f52\u6a21\u578b\u4f5c\u4e3a\u4e00\u4e2a\u6574\u4f53\u5177\u6709\u7edf\u8ba1\u663e\u7740\u6027\uff0c\u5373\u8be5\u6a21\u578b\u6bd4\u6ca1\u6709\u9884\u6d4b\u53d8\u91cf\u7684\u6a21\u578b\u66f4\u597d\u5730\u62df\u5408\u6570\u636e\u3002<\/span><\/p>\n

\u68c0\u9a8c\u56de\u5f52\u6a21\u578b\u7684\u6574\u4f53\u663e\u7740\u6027<\/strong><\/span><\/h2>\n

\u6700\u540e\u90e8\u5206\u4ecb\u7ecd\u56de\u5f52\u6a21\u578b\u4e2d\u6bcf\u4e00\u9879\u7684\u7cfb\u6570\u4f30\u8ba1\u503c\u3001\u4f30\u8ba1\u503c\u7684\u6807\u51c6\u8bef\u5dee\u3001t \u7edf\u8ba1\u91cf\u3001p \u503c\u548c\u7f6e\u4fe1\u533a\u95f4\u3002<\/span><\/p>\n

\u4ee5\u4e0b\u662f\u5982\u4f55\u89e3\u91ca\u672c\u8282\u4e2d\u7684\u6bcf\u4e2a\u6570\u5b57\uff1a<\/span><\/p>\n

\u7cfb\u6570<\/strong><\/span><\/h3>\n

\u8fd9\u4e9b\u7cfb\u6570\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u7f16\u5199\u4f30\u8ba1\u56de\u5f52\u65b9\u7a0b\u6240\u9700\u7684\u6570\u5b57\uff1a<\/span><\/p>\n

y\u5e3d\u5b50<\/sub>= b 0<\/sub> + b 1<\/sub> x 1<\/sub> + b 2<\/sub> x 2<\/sub> \u3002<\/span><\/strong><\/p>\n

\u5728\u672c\u4f8b\u4e2d\uff0c\u4f30\u8ba1\u56de\u5f52\u65b9\u7a0b\u4e3a\uff1a<\/span><\/p>\n

\u671f\u672b\u8003\u8bd5\u6210\u7ee9=66.99+1.299\uff08\u5b66\u4e60\u65f6\u95f4\uff09+1.117\uff08\u9884\u5907\u8003\u8bd5\uff09<\/span><\/strong><\/p>\n

\u5047\u8bbe\u6240\u6709\u5176\u4ed6\u9884\u6d4b\u53d8\u91cf\u4fdd\u6301\u4e0d\u53d8\uff0c\u6bcf\u4e2a\u5355\u72ec\u7684\u7cfb\u6570\u90fd\u88ab\u89e3\u91ca\u4e3a\u7ed9\u5b9a\u9884\u6d4b\u53d8\u91cf\u6bcf\u589e\u52a0\u4e00\u4e2a\u5355\u4f4d\uff0c\u54cd\u5e94\u53d8\u91cf\u7684\u5e73\u5747\u589e\u91cf\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u51c6\u5907\u8003\u8bd5\u7684\u6570\u91cf\u4fdd\u6301\u4e0d\u53d8\uff0c\u6bcf\u591a\u5b66\u4e60\u4e00\u5c0f\u65f6\uff0c\u671f\u672b\u8003\u8bd5\u5206\u6570\u7684\u9884\u671f\u5e73\u5747\u589e\u957f\u4e3a 1,299 \u5206\u3002<\/em><\/span><\/p>\n

\u622a\u8ddd\u88ab\u89e3\u91ca\u4e3a\u96f6\u5b66\u65f6\u4e14\u4e0d\u53c2\u52a0\u9884\u79d1\u8003\u8bd5\u7684\u5b66\u751f\u671f\u672b\u8003\u8bd5\u7684\u9884\u671f\u5e73\u5747\u6210\u7ee9\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u5982\u679c\u5b66\u751f\u5b66\u4e60\u65f6\u95f4\u4e3a\u96f6\u4e14\u4e0d\u53c2\u52a0\u4efb\u4f55\u51c6\u5907\u8003\u8bd5\uff0c\u5219\u9884\u8ba1\u5f97\u5206\u4e3a 66.99\u3002\u89e3\u91ca\u56de\u5f52\u7ed3\u679c\u7684\u622a\u8ddd\u65f6\u8981\u5c0f\u5fc3\uff0c\u56e0\u4e3a\u8fd9\u6837\u505a\u5e76\u4e0d\u603b\u662f\u6709\u610f\u4e49\u3002<\/span><\/p>\n

\u4f8b\u5982\uff0c\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u622a\u8ddd\u53ef\u80fd\u4f1a\u53d8\u6210\u8d1f\u6570\uff0c\u8fd9\u901a\u5e38\u6ca1\u6709\u660e\u663e\u7684\u89e3\u91ca\u3002\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u6a21\u578b\u662f\u9519\u8bef\u7684\uff0c\u5b83\u53ea\u662f\u610f\u5473\u7740\u62e6\u622a\u672c\u8eab\u4e0d\u5e94\u8be5\u88ab\u89e3\u91ca\u4e3a\u4efb\u4f55\u542b\u4e49\u3002<\/span><\/p>\n

\u6807\u51c6\u8bef\u5dee\u3001t \u7edf\u8ba1\u91cf\u548c p \u503c<\/strong><\/span><\/h3>\n

\u6807\u51c6\u8bef\u5dee\u662f\u5bf9\u6bcf\u4e2a\u53d8\u91cf\u7684\u7cfb\u6570\u4f30\u8ba1\u7684\u4e0d\u786e\u5b9a\u6027\u7684\u5ea6\u91cf\u3002<\/span><\/p>\n

t-stat \u53ea\u662f\u7cfb\u6570\u9664\u4ee5\u6807\u51c6\u8bef\u5dee\u3002\u4f8b\u5982\uff0c\u5b66\u4e60\u65f6\u95f4<\/em>\u7684 t \u7edf\u8ba1\u91cf\u4e3a 1.299 \/ 0.417 = 3.117\u3002<\/span><\/p>\n

\u4e0b\u4e00\u5217\u663e\u793a\u4e0e t \u7edf\u8ba1\u76f8\u5173\u7684 p \u503c\u3002\u8fd9\u4e2a\u6570\u5b57\u544a\u8bc9\u6211\u4eec\u7ed9\u5b9a\u7684\u54cd\u5e94\u53d8\u91cf\u5728\u6a21\u578b\u4e2d\u662f\u5426\u663e\u7740\u3002\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u770b\u5230\u5b66\u4e60\u65f6\u95f4<\/em>\u7684 p \u503c\u4e3a 0.012\uff0c\u51c6\u5907\u8003\u8bd5<\/em>\u7684 p \u503c\u4e3a 0.304\u3002\u8fd9\u8868\u660e\uff0c\u4e0e\u7ec3\u4e60\u8003\u8bd5<\/em>\u4e0d\u540c\uff0c\u5b66\u4e60\u65f6\u95f4<\/em>\u662f\u671f\u672b\u8003\u8bd5\u6210\u7ee9\u7684\u91cd\u8981\u9884\u6d4b\u56e0\u7d20\u3002<\/span><\/p>\n

\u7cfb\u6570\u4f30\u8ba1\u7684\u7f6e\u4fe1\u533a\u95f4<\/strong><\/span><\/h3>\n

\u8868\u7684\u6700\u540e\u4e24\u5217\u63d0\u4f9b\u4e86\u7cfb\u6570\u4f30\u8ba1\u503c\u7684 95% \u7f6e\u4fe1\u533a\u95f4\u7684\u4e0b\u9650\u548c\u4e0a\u9650\u3002<\/span><\/p>\n

\u4f8b\u5982\uff0c\u5b66\u4e60\u65f6\u95f4<\/em>\u7684\u7cfb\u6570\u4f30\u8ba1\u503c\u4e3a 1.299\uff0c\u4f46\u8be5\u4f30\u8ba1\u503c\u5b58\u5728\u4e00\u4e9b\u4e0d\u786e\u5b9a\u6027\u3002\u6211\u4eec\u6c38\u8fdc\u65e0\u6cd5\u786e\u5b9a\u8fd9\u662f\u5426\u662f\u51c6\u786e\u7684\u7cfb\u6570\u3002\u56e0\u6b64\uff0c95% \u7684\u7f6e\u4fe1\u533a\u95f4\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u771f\u5b9e\u7cfb\u6570\u7684\u4e00\u7cfb\u5217\u53ef\u80fd\u503c\u3002<\/span><\/p>\n

\u5728\u672c\u4f8b\u4e2d\uff0c\u5b66\u4e60\u65f6\u95f4<\/em>\u7684 95% \u7f6e\u4fe1\u533a\u95f4\u4e3a (0.356, 2.24)\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e2a\u7f6e\u4fe1\u533a\u95f4\u4e0d\u5305\u542b\u6570\u5b57\u201c0\u201d\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u5b8c\u5168\u786e\u5b9a\u5b66\u4e60\u65f6\u95f4<\/em>\u7cfb\u6570\u7684\u771f\u5b9e\u503c\u4e0d\u4e3a\u96f6\uff0c\u5373\u6b63\u6570\u3002<\/span><\/p>\n

\u76f8\u6bd4\u4e4b\u4e0b\uff0c\u9884\u5907\u8003\u8bd5<\/em>\u7684 95% \u7f6e\u4fe1\u533a\u95f4\u4e3a (-1.201, 3.436)\u3002\u8bf7\u6ce8\u610f\uff0c\u8be5\u7f6e\u4fe1\u533a\u95f4\u5305\u542b<\/em>\u6570\u5b57\u201c0\u201d\uff0c\u8fd9\u610f\u5473\u7740\u9884\u79d1\u8003\u8bd5<\/em>\u7684\u7cfb\u6570\u7684\u771f\u5b9e\u503c\u53ef\u80fd\u4e3a\u96f6\uff0c\u5373\u5bf9\u671f\u672b\u8003\u8bd5\u7684\u7ed3\u679c\u9884\u6d4b\u4e0d\u663e\u7740\u3002<\/span><\/p>\n

\u5176\u4ed6\u8d44\u6e90<\/strong><\/h3>\n

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\u4e86\u89e3\u56de\u5f52\u4e2d\u603b\u4f53\u663e\u7740\u6027\u7684 F \u68c0\u9a8c<\/a>
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