{"blog_url":"https://kiririmode.hatenablog.jp/","width":"100%","provider_url":"https://hatena.blog","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","published":"2023-10-25 23:40:17","title":"\u30d9\u30fc\u30bf\u95a2\u6570\u3068\u30ac\u30f3\u30de\u95a2\u6570\u306e\u95a2\u4fc2","categories":["math","statistics"],"author_url":"https://blog.hatena.ne.jp/kiririmode/","type":"rich","height":"190","url":"https://kiririmode.hatenablog.jp/entry/20231025/1698244817","author_name":"kiririmode","image_url":null,"version":"1.0","description":"\u7d71\u8a08\u5b66\u3067\u306f$\\chi ^2$\u5206\u5e03\u306b\u95a2\u3057\u3066\u6b21\u306e\u3053\u3068\u304c\u8a00\u3048\u308b\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002 \u78ba\u7387\u5909\u6570$Z _{1}, Z _{2}, \\cdots, Z _{n}$\u304c\u4e92\u3044\u306b\u72ec\u7acb\u306b\u6a19\u6e96\u6b63\u898f\u5206\u5e03$N(0,1)$\u306b\u3057\u305f\u304c\u3046\u3068\u304d\u3001$W=\\sum _{i=1} ^{n} Z _{i} ^{2}$\u306e\u5f93\u3046\u5206\u5e03\u3092\u81ea\u7531\u5ea6$n$\u306e$\\chi ^{2}$\u5206\u5e03\u3068\u547c\u3073\u3001$\\chi ^{2} (n)$\u3068\u8868\u3059\u3002 \u3053\u308c\u3092\u8a3c\u660e\u3059\u3079\u304f\u3001\u30ac\u30f3\u30de\u95a2\u6570\u306e\u6027\u8cea - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\u306b\u5f15\u304d\u7d9a\u304d\u3001\u30d9\u30fc\u30bf\u95a2\u6570\u3068\u30ac\u30f3\u30de\u95a2\u6570\u306e\u95a2\u4fc2\u5f0f\u3092\u8a3c\u660e\u3057\u307e\u3059\u3002 \u8a3c\u660e\u3057\u305f\u3044\u95a2\u4fc2\u5f0f \u307e\u305a\u306f\u30d9\u30fc\u30bf\u95a2\u6570\u306e\u6027\u8cea\u3092\u62bc\u3055\u3048\u308b $B(x,y) = B(y,x)$ $B(x,y) = 2 \\int \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20231025%2F1698244817\" title=\"\u30d9\u30fc\u30bf\u95a2\u6570\u3068\u30ac\u30f3\u30de\u95a2\u6570\u306e\u95a2\u4fc2 - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog"}