{"id":587,"date":"2020-05-25T11:24:30","date_gmt":"2020-05-25T02:24:30","guid":{"rendered":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/?p=587"},"modified":"2020-06-30T21:00:56","modified_gmt":"2020-06-30T12:00:56","slug":"coefficient-of-variation","status":"publish","type":"post","link":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/coefficient-of-variation","title":{"rendered":"\u5909\u52d5\u4fc2\u6570\u3068\u306f\u3010\u30b0\u30eb\u30fc\u30d7\u9593\u3067\u6bd4\u8f03\u3059\u308b\u6563\u5e03\u5ea6\u3011"},"content":{"rendered":"\n<p class=\"has-text-align-right\"><span style=\"text-decoration: underline;\">\u5b66\u7fd2\u30ec\u30d9\u30eb\uff1a\u4e2d\u5b66\u751f\u3000\u96e3\u6613\u5ea6\uff1a\u2605\u2606\u2606\u2606\u2606<\/span><\/p>\n\n\n\n\n\n\n\n<p>\u30002\u3064\u4ee5\u4e0a\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u5e73\u5747\u304c\u7570\u306a\u308b\u3082\u306e\u540c\u58eb\u3067\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee\u306f\u3042\u307e\u308a\u9069\u5207\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br>\u3000\u4f8b\u3048\u3070\u3001\u6e80\u70b9\u304c10\u70b9\u30681000\u70b9\u306e\u30c6\u30b9\u30c8\u3067\u3068\u3082\u306b\u6a19\u6e96\u504f\u5dee\u304c3\u70b9\u3060\u3063\u305f\u3068\u3057\u307e\u3057\u3087\u3046\u3002\u3069\u3061\u3089\u306e\u30c6\u30b9\u30c8\u3067\u3082\u5e73\u5747\u306e\u5468\u308a\u306b\u3060\u3044\u305f\u30443\u70b9\u3050\u3089\u3044\u3067\u5206\u5e03\u3057\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3001\u660e\u3089\u304b\u306b1000\u70b9\u6e80\u70b9\u306e\u30c6\u30b9\u30c8\u306e\u65b9\u304c\u300110\u70b9\u6e80\u70b9\u306e\u30c6\u30b9\u30c8\u3068\u6bd4\u3079\u3066\u3001\u6563\u3089\u3070\u308a\u65b9\u304c\u5c0f\u3055\u3044\u3067\u3059\u3088\u306d\uff1f<br>\u3000\u3053\u306e\u3088\u3046\u306b\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u65b9\u3092\u6bd4\u8f03\u3059\u308b\u969b\u306f\u3001\u30c7\u30fc\u30bf\u306e\u5927\u304d\u3055\uff08\u30b9\u30b1\u30fc\u30eb\uff09\u3082\u8e0f\u307e\u3048\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30c7\u30fc\u30bf\u306e\u30b9\u30b1\u30fc\u30eb\u3092\u8e0f\u307e\u3048\u305f\u6563\u5e03\u5ea6\u3092\u5909\u52d5\u4fc2\u6570\u3068\u3044\u3044\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u5909\u52d5\u4fc2\u6570\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">\u76ee\u6b21<\/p><ul class=\"toc_list\"><li><a href=\"#i\"><span class=\"toc_number toc_depth_1\">1<\/span> \u5909\u52d5\u4fc2\u6570\u3068\u306f<\/a><\/li><li><a href=\"#i-2\"><span class=\"toc_number toc_depth_1\">2<\/span> \u5177\u4f53\u4f8b<\/a><\/li><li><a href=\"#i-3\"><span class=\"toc_number toc_depth_1\">3<\/span> \u5909\u52d5\u4fc2\u6570\u306e\u307e\u3068\u3081<\/a><\/li><li><a href=\"#i-4\"><span class=\"toc_number toc_depth_1\">4<\/span> \u305d\u306e\u4ed6\u306e\u6563\u5e03\u5ea6<\/a><\/li><\/ul><\/div>\n<h2><span id=\"i\">\u5909\u52d5\u4fc2\u6570\u3068\u306f<\/span><\/h2>\n\n\n\n<div class=\"wp-block-liquid-speech-balloon liquid-speech-balloon-wrap liquid-speech-balloon-00  liquid-speech-balloon-short\"><div class=\"liquid-speech-balloon-avatar\"><\/div><div class=\"liquid-speech-balloon-text\" style=\"border-color:#d6ebf8;background-color:#d6ebf8;color:#000000\"><p>\u30c7\u30fc\u30bf\u306e\u5927\u304d\u3055\u306b\u5de6\u53f3\u3055\u308c\u306a\u3044\u6563\u5e03\u5ea6\u3092\u5909\u52d5\u4fc2\u6570\u3068\u8a00\u3044\u307e\u3059\u3002<br>\u4e3b\u306b\u30b0\u30eb\u30fc\u30d7\u9593\u3067\u683c\u5dee\u304c\u3042\u308b\u306e\u304b\u3069\u3046\u304b\u3092\u8abf\u3079\u308b\u305f\u3081\u306b\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p><div class=\"liquid-speech-balloon-arrow\" style=\"border-color:transparent #d6ebf8 transparent transparent\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-liquid-speech-balloon liquid-speech-balloon-wrap liquid-speech-balloon-01 liquid-speech-balloon-right  liquid-speech-balloon-short\"><div class=\"liquid-speech-balloon-avatar\"><\/div><div class=\"liquid-speech-balloon-text\" style=\"border-color:#f4d379;background-color:#f4d379;color:#000000\"><p>\u5730\u57df\u9593\u306e\u4f53\u683c\u5dee\u3084\u53ce\u5165\u683c\u5dee\u306a\u3069\u306b\u4f7f\u308f\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u304b\uff1f<\/p><div class=\"liquid-speech-balloon-arrow\" style=\"border-color:transparent transparent transparent #f4d379\"><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-liquid-speech-balloon liquid-speech-balloon-wrap liquid-speech-balloon-00  liquid-speech-balloon-short\"><div class=\"liquid-speech-balloon-avatar\"><\/div><div class=\"liquid-speech-balloon-text\" style=\"border-color:#d6ebf8;background-color:#d6ebf8;color:#000000\"><p>\u305d\u306e\u3068\u304a\u308a\u3067\u3059\uff01<br>\u65e9\u901f\u3001\u5909\u52d5\u4fc2\u6570\u306e\u5b9a\u7fa9\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p><div class=\"liquid-speech-balloon-arrow\" style=\"border-color:transparent #d6ebf8 transparent transparent\"><\/div><\/div><\/div>\n\n\n\n<div style=\"display: inline-block; background: #33cc33; padding: 5px 10px; color: #ffffff; border-radius: 5px 5px 0 0;\"><strong>\u5909\u52d5\u4fc2\u6570(coefficient of variation)<\/strong><\/div>\n<div style=\"background: #ffffea; padding: 10px; border: 2px solid #33cc33;\">\n\u30c7\u30fc\u30bf\u306e\u5e73\u5747\u3092\\(\\bar{X}\\)\u3001\u6a19\u6e96\u504f\u5dee\u3092\\(s_{x}\\)\u3092\u7528\u3044\u3066\u5909\u52d5\u4fc2\u6570\\(CV\\)\u306f\u6b21\u306e\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002$$CV=\\frac{s_{x}}{\\bar{X}}$$\n<\/div>\n\n\n\n<p> <\/p>\n\n\n\n<div class=\"wp-block-liquid-speech-balloon liquid-speech-balloon-wrap liquid-speech-balloon-00  liquid-speech-balloon-short\"><div class=\"liquid-speech-balloon-avatar\"><\/div><div class=\"liquid-speech-balloon-text\" style=\"border-color:#d6ebf8;background-color:#d6ebf8;color:#000000\"><p>\u65e9\u901f\u3001\u5177\u4f53\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p><div class=\"liquid-speech-balloon-arrow\" style=\"border-color:transparent #d6ebf8 transparent transparent\"><\/div><\/div><\/div>\n\n\n\n<h2><span id=\"i-2\">\u5177\u4f53\u4f8b<\/span><\/h2>\n\n\n\n<p>\u3000\u3042\u308b\u5730\u57dfA\u3067\u306f\u5e74\u53ce\u306e\u5e73\u5747\u306f400\u4e07\u5186\u3067\u3001\u6a19\u6e96\u504f\u5dee\u304c10\u4e07\u5186\u3001\u305d\u3057\u3066\u3042\u308b\u5730\u57dfB\u3067\u306f\u5e74\u53ce\u306e\u5e73\u5747\u304c1000\u4e07\u5186\u3067\u3001\u6a19\u6e96\u504f\u5dee\u304c20\u4e07\u5186\u3060\u3063\u305f\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u5730\u57dfA\u3068\u5730\u57dfB\u3069\u3061\u3089\u304c\u6240\u5f97\u683c\u5dee\u304c\u3042\u308b\u304b\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\uff01<\/p>\n\n\n\n<p>\u3000\u5730\u57dfA\u30fb\u5730\u57dfB\u306e\u5909\u52d5\u4fc2\u6570\u3092\u305d\u308c\u305e\u308c\\(CV_{A},\\ CV_{B}\\)\u3068\u3057\u3066\u6c42\u3081\u3066\u307f\u308b\u3068\u3001<br><div style=\"overflow-x: auto;\">\\begin{align}<br>CV_{A} &amp;= \\frac{10}{400} = 0.025 \\mbox{(%)} \\\\<br>CV_{B} &amp;= \\frac{20}{1000} = 0.020 \\mbox{(%)}<br>\\end{align}<\/div><br>\u3068\u306a\u308a\u307e\u3059\u3002\u5730\u57dfA\u306e\u65b9\u304c\u5909\u52d5\u4fc2\u6570\u304c\u5927\u304d\u3044\u306e\u3067\u3001\u5730\u57dfB\u3088\u308a\u6240\u5f97\u683c\u5dee\u304c\u5927\u304d\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2><span id=\"i-3\">\u5909\u52d5\u4fc2\u6570\u306e\u307e\u3068\u3081<\/span><\/h2>\n\n\n\n<p>\u5909\u52d5\u4fc2\u6570\u306f\u30c7\u30fc\u30bf\u306e\u5927\u304d\u3055\u306b\u5de6\u53f3\u3055\u308c\u305a\u306b\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u65b9\u3092\u8868\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e3b\u306b\u5730\u57df\u9593\u306e\u683c\u5dee\u3084\u5e74\u4ee3\u306b\u3088\u308b\u683c\u5dee\u306a\u3069\u3001\u30b0\u30eb\u30fc\u30d7\u9593\u3067\u6bd4\u8f03\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2><span id=\"i-4\">\u305d\u306e\u4ed6\u306e\u6563\u5e03\u5ea6<\/span><\/h2>\n\n\n\n<p>\u30fb<a href=\"https:\/\/develop-chronos.com\/statistics-top\/statistics\/05231217\">\u7bc4\u56f2\uff08\u30ec\u30f3\u30b8\uff09<\/a>:\u30c7\u30fc\u30bf\u306e\u5b58\u5728\u7bc4\u56f2\u3092\u8868\u3059\u6563\u5e03\u5ea6\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb<a href=\"https:\/\/develop-chronos.com\/statistics-top\/statistics\/05231722\">\u56db\u5206\u4f4d\u6570<\/a>\uff1a\u6709\u9650\u500b\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u4f7f\u7528\u3067\u304d\u308b\u6563\u5e03\u5ea6\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb<a href=\"https:\/\/develop-chronos.com\/statistics-top\/statistics\/05241033\" class=\"aioseop-link\">\u30d1\u30fc\u30bb\u30f3\u30bf\u30a4\u30eb<\/a>\uff1a\u56db\u5206\u4f4d\u6570\u306e\u4e0a\u4f4d\u4e92\u63db\u306b\u306a\u308b\u6563\u5e03\u5ea6\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb<a href=\"https:\/\/develop-chronos.com\/statistics-top\/statistics\/05241628\">\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee<\/a>\uff1a\u6563\u5e03\u5ea6\u306e\u4e2d\u3067\u6700\u3082\u30dd\u30d4\u30e5\u30e9\u30fc\u306a\u3082\u306e\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30fb<a href=\"https:\/\/develop-chronos.com\/statistics-top\/statistics\/05242107-2\">\u5e73\u5747\u504f\u5dee<\/a>\uff1a\u7d76\u5bfe\u5024\u3067\u5e73\u5747\u3068\u306e\u8aa4\u5dee\u3092\u6e2c\u308b\u3053\u3068\u3067\u6563\u5e03\u5ea6\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30fb<a href=\"https:\/\/develop-chronos.com\/statistics-top\/statistics\/standard-score\" class=\"aioseop-link\">\u6a19\u6e96\u5f97\u70b9<\/a>\uff1a\u89b3\u6e2c\u5024\u304c\u5e73\u5747\u3068\u3069\u306e\u304f\u3089\u3044\u96e2\u308c\u3066\u3044\u308b\u304b\u3092\u8868\u3059\u6563\u5e03\u5ea6\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u7fd2\u30ec\u30d9\u30eb\uff1a\u4e2d\u5b66\u751f\u3000\u96e3\u6613\u5ea6\uff1a\u2605\u2606\u2606\u2606\u2606 \u30002\u3064\u4ee5\u4e0a\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u5e73\u5747\u304c\u7570\u306a\u308b\u3082\u306e\u540c\u58eb\u3067\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee\u306f\u3042\u307e\u308a\u9069\u5207\u3067\u306f\u3042\u308a\u307e\u305b\u3093 &#8230; <\/p>\n","protected":false},"author":1,"featured_media":31,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":""},"categories":[9],"tags":[35,12],"jetpack_featured_media_url":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-content\/uploads\/2020\/05\/e68b2ac878e110c2a4639a33271057d1_t.jpg","_links":{"self":[{"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/posts\/587"}],"collection":[{"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/comments?post=587"}],"version-history":[{"count":12,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/posts\/587\/revisions"}],"predecessor-version":[{"id":1831,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/posts\/587\/revisions\/1831"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/media\/31"}],"wp:attachment":[{"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/media?parent=587"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/categories?post=587"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/develop-chronos.com\/statistics-top\/statistics\/wp-json\/wp\/v2\/tags?post=587"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}