{"id":1432,"date":"2012-12-28T10:15:53","date_gmt":"2012-12-28T01:15:53","guid":{"rendered":"http:\/\/fujiitoshiki.com\/improvesociety\/?p=1432"},"modified":"2017-04-27T08:46:08","modified_gmt":"2017-04-26T23:46:08","slug":"student-t%e6%a4%9c%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/www.fujiitoshiki.com\/improvesociety\/?p=1432","title":{"rendered":"Student t\u691c\u5b9a"},"content":{"rendered":"

\u3000Student t\u691c\u5b9a\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u5e73\u5747\u5024\u306e\u691c\u5b9a\u306f\u4e0b\u56f3\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306b\u5f93\u3063\u3066\u3069\u306e\u691c\u5b9a\u3092\u884c\u3046\u304b\u6c7a\u3081\u307e\u3059\uff0e<\/p>\n

$\"t-test(JP)\"$ <\/a><\/p>\n

\u3000\u5bfe\u5fdc\u306e\u3042\u308bt\u691c\u5b9a\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6c42\u307e\u308a\u307e\u3059\uff0e<\/p>\n

$\\displaystyle t = \\frac{\\bar X_D - \\mu_0}{SD\/\\sqrt{n}} \\cdot\\cdot\\cdot(1)$ <\/p>\n

\u3000\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308a\u5206\u6563\u3082\u7570\u306a\u308b\u72ec\u7acb\u3057\u305f2\u7fa4\u306e\u5e73\u5747\u5024\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u306e t \u7d71\u8a08\u5024\u306f\u6b21\u5f0f\u3067\u6c42\u307e\u308a\u307e\u3059\uff0eWelch\u691c\u5b9a\u3068\u3082\u8a00\u3044\u307e\u3059\uff0e<\/p>\n

$\\displaystyle t = \\frac{\\bar X_1 - \\bar X_2}{SD_p} \\cdot\\cdot\\cdot(2) \\vspace{0.2in}\\\\ SD_p = \\sqrt{\\frac{SD_1^2}{n_1} + \\frac{SD_2^2}{n_2}}$ <\/p>\n

\u3000\u540c\u6570\u304b\u3064\u7b49\u5206\u6563\u306e\u72ec\u7acb\u3057\u305f2\u7fa4\u306e\u5e73\u5747\u5024\u3092\u6bd4\u3079\u308b\u5834\u5408\u306e t \u7d71\u8a08\u5024\u306f\u6b21\u5f0f\u3067\u6c42\u307e\u308a\u307e\u3059\uff0e<\/p>\n

$\\displaystyle t = \\frac{\\bar X_1 - \\bar X_2}{SD_p \\sqrt{\\frac{2}{n}}} \\cdot\\cdot\\cdot(3) \\vspace{0.2in}\\\\SD_p = \\sqrt{\\frac{SD_1^2 + SD_2^2}{2}}$ <\/p>\n

\u3000\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308a\u7b49\u5206\u6563\u306e\u72ec\u7acb\u3057\u305f2\u7fa4\u306e\u5e73\u5747\u5024\u3092\u6bd4\u8f03\u3059\u308b\u5834\u5408\u306e t \u7d71\u8a08\u5024\u306f\u6b21\u5f0f\u3067\u6c42\u307e\u308a\u307e\u3059\uff0e<\/p>\n

$\\displaystyle t = \\frac{\\bar X_1 - \\bar X_2}{SD_p \\sqrt{\\frac{1}{n_1} + \\frac{1}{n_2}}} \\cdot\\cdot\\cdot(4) \\vspace{0.2in}\\\\ SD_p = \\sqrt{\\frac{(n_1 -1)SD_1^2 + (n_2 - 1)SD_2^2}{n_1 + n_2 - 2}}$ <\/p>\n

\u53c2\u7167\uff1a Student’s t-test<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

\u3000Student t\u691c\u5b9a\u3068\u3057\u3066\u77e5\u3089\u308c\u308b\u5e73\u5747\u5024\u306e\u691c\u5b9a\u306f\u4e0b\u56f3\u306e\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u306b\u5f93\u3063\u3066\u3069\u306e\u691c\u5b9a\u3092\u884c\u3046\u304b\u6c7a\u3081\u307e\u3059\uff0e \u3000\u5bfe\u5fdc\u306e\u3042\u308bt\u691c\u5b9a\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u6c42\u307e\u308a\u307e\u3059\uff0e \u3000\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308a\u5206\u6563\u3082\u7570\u306a\u308b\u72ec\u7acb\u3057\u305f2\u7fa4\u306e\u5e73\u5747\u5024\u3092\u6bd4\u8f03\u3059\u308b … “Student t\u691c\u5b9a” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1432","post","type-post","status-publish","format-standard","hentry","category-statistics"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t