{"categories":["\u7d71\u8a08"],"version":"1.0","image_url":null,"author_name":"kntty","url":"https://kntty.hateblo.jp/entry/2021/01/29/224218","blog_title":"kntty.hateblo.jp","blog_url":"https://kntty.hateblo.jp/","height":"190","provider_name":"Hatena Blog","published":"2021-01-29 22:42:18","type":"rich","provider_url":"https://hatena.blog","title":"\u5206\u6563\u3068\u4e0d\u504f\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u3068\u6a19\u6e96\u8aa4\u5dee\u3068","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkntty.hateblo.jp%2Fentry%2F2021%2F01%2F29%2F224218\" title=\"\u5206\u6563\u3068\u4e0d\u504f\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u3068\u6a19\u6e96\u8aa4\u5dee\u3068 - kntty.hateblo.jp\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_url":"https://blog.hatena.ne.jp/kntty/","description":"\u305d\u308c\u305e\u308c\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u304b\u3001\u6642\u3005\u6df7\u4e71\u3059\u308b\u306e\u3067\u3001\u6574\u7406\u3059\u308b\u3002 \u5206\u6563\u3068\u4e0d\u504f\u5206\u6563\u306e\u5b9a\u7fa9 \u4ee5\u4e0b\u3001\u624b\u5143\u306b$n$\u500b\u306e\u30b5\u30f3\u30d7\u30eb $x _ i$ \u304c\u3042\u3063\u3066\u3001\u305d\u306e\u5e73\u5747\u304c $ m $ \u3067\u3042\u308b\u3068\u3059\u308b\u3002 (\u901a\u5e38\u306e)\u5206\u6563\uff1a $ \u03c3 ^ 2 _ P = \\frac {1}{n} \\sum _ i {(x _ i - m)} $ \u4e0d\u504f\u5206\u6563\uff1a $ \u03c3 ^ 2 _ S = \\frac {1}{n - 1} \\sum _ i {(x _ i - m)} $ Excel\u3060\u3068\u3001\u524d\u8005\u304c\u300cVAR.P\u300d\u3001\u5f8c\u8005\u304c\u300cVAR.S\u300d\u3068\u3044\u3046\u95a2\u6570\u306b\u5bfe\u5fdc\u3059\u308b\u306e\u3067\u3001 \u6dfb\u3048\u5b57\u306f\u305d\u308c\u306b\u5023\u3063\u3066\u3044\u308b\u3002 \u5206\u6563\u3068\u4e0d\u504f\u5206\u6563\u306e\u4f7f\u3044\u5206\u3051 \u5206\u6563 $\u03c3 ^ 2 _ P$\u306f\u3001\u624b\u5143\u2026"}