{"id":1385,"date":"2012-12-21T20:47:35","date_gmt":"2012-12-21T11:47:35","guid":{"rendered":"http:\/\/fujiitoshiki.com\/improvesociety\/?p=1385"},"modified":"2017-04-27T08:46:37","modified_gmt":"2017-04-26T23:46:37","slug":"%e7%95%b0%e5%88%86%e6%95%a3%e3%81%ae%e7%8b%ac%e7%ab%8b%e3%81%97%e3%81%9f2%e7%be%a4%e3%81%aet%e6%a4%9c%e5%ae%9a","status":"publish","type":"post","link":"https:\/\/www.fujiitoshiki.com\/improvesociety\/?p=1385","title":{"rendered":"\u7570\u5206\u6563\u306e\u72ec\u7acb\u3057\u305f2\u7fa4\u306et\u691c\u5b9a"},"content":{"rendered":"<div class=\"theContentWrap-ccc\"><p>\u3000\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u6bcd\u96c6\u56e3\u304b\u3089\u306e\u6a19\u672c\u5e73\u5747\u5024\u306e\u5206\u5e03\u306f\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3044\u307e\u3059\u304c\uff0c\u6bcd\u96c6\u56e3\u306e\u6a19\u6e96\u504f\u5dee<img src='https:\/\/s0.wp.com\/latex.php?latex=%5Csigma&#038;bg=T&#038;fg=000000&#038;s=0' alt='\\sigma' title='\\sigma' class='latex' \/>\u304c\u672a\u77e5\u306e\u5834\u5408\uff0c\u30b5\u30f3\u30d7\u30eb\u306e\u6a19\u6e96\u504f\u5dee\u304b\u3089\u63a8\u6e2c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e\u305d\u306e\u5834\u5408\uff0ct \u7d71\u8a08\u5024\u306f\u6b63\u898f\u5206\u5e03\u3067\u306f\u306a\u304f t \u5206\u5e03\u306b\u5f93\u3044\u307e\u3059\uff0e<\/p>\n<p><img src='https:\/\/s0.wp.com\/latex.php?latex=%5Cdisplaystyle+t+%3D+%5Cfrac%7B%5Cbar+X+-+%5Cmu%7D%7BSD%2F%5Csqrt+n%7D+%3D+%5Cfrac%7B%5Cbar+X+-+%5Cmu%7D%7BSE%7D+%5Cvspace%7B0.2in%7D%5C%5C&#038;bg=T&#038;fg=000000&#038;s=0' alt='\\displaystyle t = \\frac{\\bar X - \\mu}{SD\/\\sqrt n} = \\frac{\\bar X - \\mu}{SE} \\vspace{0.2in}\\\\' title='\\displaystyle t = \\frac{\\bar X - \\mu}{SD\/\\sqrt n} = \\frac{\\bar X - \\mu}{SE} \\vspace{0.2in}\\\\' class='latex' \/><\/p>\n<p>\u3000\u7570\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<p><img src='https:\/\/s0.wp.com\/latex.php?latex=%5Cdisplaystyle+t+%3D+%5Cfrac%7B%28%5Cbar+X_2+-+%5Cbar+X_1%29%7D%7BSD_p+%5Csqrt%7B%5Cfrac%7B1%7D%7Bn_1%7D+%2B+%5Cfrac%7B1%7D%7Bn_2%7D%7D%7D+%3D+%5Cfrac%7B%28%5Cbar+X_2+-+%5Cbar+X_1%29%7D%7BSE%7D%5Cvspace%7B0.2in%7D%5C%5C+SD_p+%3D+%5Csqrt%7B%5Cfrac%7B%28n_1+-+1%29SD_1%5E2+%2B+%28n_2+-1%29SD_2%5E2%7D%7Bn_1+%2B+n_2+-+2%7D%7D&#038;bg=T&#038;fg=000000&#038;s=0' alt='\\displaystyle t = \\frac{(\\bar X_2 - \\bar X_1)}{SD_p \\sqrt{\\frac{1}{n_1} + \\frac{1}{n_2}}} = \\frac{(\\bar X_2 - \\bar X_1)}{SE}\\vspace{0.2in}\\\\ SD_p = \\sqrt{\\frac{(n_1 - 1)SD_1^2 + (n_2 -1)SD_2^2}{n_1 + n_2 - 2}}' title='\\displaystyle t = \\frac{(\\bar X_2 - \\bar X_1)}{SD_p \\sqrt{\\frac{1}{n_1} + \\frac{1}{n_2}}} = \\frac{(\\bar X_2 - \\bar X_1)}{SE}\\vspace{0.2in}\\\\ SD_p = \\sqrt{\\frac{(n_1 - 1)SD_1^2 + (n_2 -1)SD_2^2}{n_1 + n_2 - 2}}' class='latex' \/><\/p>\n<p>\u3000t \u7d71\u8a08\u5024\u304c t \u5206\u5e03\u4e0a\u3067\u3042\u308b\u5024\u3092\u8d85\u3048\u308b\u3068\u5e30\u7121\u4eee\u8aac\u3092\u68c4\u5374\u3057\u307e\u3059\uff0e\u7247\u5074\u691c\u5b9a\u306e\u5834\u5408\uff0ct \u5206\u5e03\u66f2\u7dda\u4e0b\u306e\u9762\u7a4d\u304c0.05\u4ee5\u4e0b\u306b\u306a\u308b\u70b9\u3092\u8d85\u3048\u308c\u3070\u7d71\u8a08\u5b66\u7684\u6709\u610f\u3068\u5224\u5b9a\u3057\u307e\u3059\uff0e\u4e21\u5074\u691c\u5b9a\u306e\u5834\u5408\u306f0.025\u4ee5\u4e0b\u306b\u306a\u308b\u70b9\u3092\u8d85\u3048\u308c\u3070\u7d71\u8a08\u5b66\u7684\u6709\u610f\u3068\u5224\u5b9a\u3057\u307e\u3059\uff0e\u7d71\u8a08\u5b66\u7684\u6709\u610f\u3068\u306a\u308b t \u7d71\u8a08\u5024\u306f\u81ea\u7531\u5ea6\uff0c\u3064\u307e\u308a\u6a19\u672c\u6570\u306b\u3088\u308a\u5909\u5316\u3057\u307e\u3059\uff0e\u8a73\u7d30\u306f\u4e0b\u8a18\u30ea\u30f3\u30af\u3092\u53c2\u7167\u3057\u3066\u4e0b\u3055\u3044\uff0e<\/p>\n<p>\u53c2\u7167\uff1a<a href=\"\/\/en.wikipedia.org\/wiki\/Student%27s_t-distribution\" title=\"t\u5206\u5e03\" target=\"_blank\">t\u5206\u5e03<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>\u3000\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u6bcd\u96c6\u56e3\u304b\u3089\u306e\u6a19\u672c\u5e73\u5747\u5024\u306e\u5206\u5e03\u306f\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3044\u307e\u3059\u304c\uff0c\u6bcd\u96c6\u56e3\u306e\u6a19\u6e96\u504f\u5dee\u304c\u672a\u77e5\u306e\u5834\u5408\uff0c\u30b5\u30f3\u30d7\u30eb\u306e\u6a19\u6e96\u504f\u5dee\u304b\u3089\u63a8\u6e2c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff0e\u305d\u306e\u5834\u5408\uff0ct \u7d71\u8a08\u5024\u306f\u6b63\u898f\u5206\u5e03\u3067\u306f\u306a\u304f t \u5206\u5e03\u306b\u5f93\u3044\u307e\u3059\uff0e \u3000\u7570\u5206\u6563\u306e\u72ec\u7acb &hellip; <a href=\"https:\/\/www.fujiitoshiki.com\/improvesociety\/?p=1385\" class=\"more-link\"><span class=\"screen-reader-text\">&#8220;\u7570\u5206\u6563\u306e\u72ec\u7acb\u3057\u305f2\u7fa4\u306et\u691c\u5b9a&#8221; \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":{"_crdt_document":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-1385","post","type-post","status-publish","format-standard","hentry","category-statistics"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/1385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1385"}],"version-history":[{"count":38,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/1385\/revisions"}],"predecessor-version":[{"id":7667,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=\/wp\/v2\/posts\/1385\/revisions\/7667"}],"wp:attachment":[{"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.fujiitoshiki.com\/improvesociety\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}