{"description":"\u4eca\u65e5\u306f\u3044\u3088\u3044\u3088\u3001\u4ee5\u4e0b\u306e\u547d\u984c\u306e\u8a3c\u660e\u3067\u3059\u3002 \u306a\u305c\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u78ba\u7387\u5909\u6570\u306e\u4e8c\u4e57\u548c\u304c$\\chi ^{2}$\u5206\u5e03\u306b\u5f93\u3046\u306e\u304b\u3002\u5b66\u751f\u6642\u4ee3\u304b\u3089\u30e2\u30e4\u30e2\u30e4\u3057\u3066\u3044\u305f\u4e8b\u67c4\u304c\u3001\u9577\u3044\u5e74\u6708\u3092\u7d4c\u3066\u3088\u3046\u3084\u304f\u308f\u304b\u308a\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 \u8a3c\u660e\u65b9\u91dd $n=1$\u306e\u5834\u5408 $n=k$\u306e\u6642\u306b\u547d\u984c\u304c\u6210\u7acb\u3059\u308b\u3068\u4eee\u5b9a\u3057\u3066\u3001$n=k+1$\u306e\u6642\u306f\uff1f \u8a3c\u660e\u65b9\u91dd \u78ba\u7387\u5909\u6570\u306e\u6570\u2026","height":"190","provider_url":"https://hatena.blog","image_url":null,"version":"1.0","title":"\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046$n$\u500b\u306e\u78ba\u7387\u5909\u6570\u306e\u4e8c\u4e57\u548c\u304c\u3001\u81ea\u7531\u5ea6$n$\u306e\u30ab\u30a4\u4e8c\u4e57\u5206\u5e03\u306b\u5f93\u3046\u3053\u3068\u306e\u8a3c\u660e","published":"2023-10-26 21:20:56","author_name":"kiririmode","blog_url":"https://kiririmode.hatenablog.jp/","url":"https://kiririmode.hatenablog.jp/entry/20231026/1698322856","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","width":"100%","type":"rich","author_url":"https://blog.hatena.ne.jp/kiririmode/","provider_name":"Hatena Blog","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20231026%2F1698322856\" title=\"\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046$n$\u500b\u306e\u78ba\u7387\u5909\u6570\u306e\u4e8c\u4e57\u548c\u304c\u3001\u81ea\u7531\u5ea6$n$\u306e\u30ab\u30a4\u4e8c\u4e57\u5206\u5e03\u306b\u5f93\u3046\u3053\u3068\u306e\u8a3c\u660e - \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>"}