{"title":"\u72ec\u7acb\u306a\u78ba\u7387\u5909\u6570\u306e\u548c\u304c\u5f93\u3046\u78ba\u7387\u5206\u5e03\u3068\u3001\u6b63\u898f\u5206\u5e03\u306e\u518d\u751f\u6027","blog_url":"https://kiririmode.hatenablog.jp/","type":"rich","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/kiririmode/","categories":["statistics"],"provider_name":"Hatena Blog","published":"2023-09-18 07:47:14","description":"$X \\sim N(\\mu_1, \\sigma_1 ^2)$\u3001$Y \\sim N(\\mu_2, \\sigma_2 ^2)$\u306a\u308b\u3001\u4e92\u3044\u306b\u72ec\u7acb\u306a2\u3064\u306e\u78ba\u7387\u5909\u6570$X,Y$\u304c\u3042\u3063\u305f\u3068\u304d\u3092\u8003\u3048\u307e\u3059\u3002\u305d\u306e\u548c$X+Y$\u306f\u3069\u306e\u3088\u3046\u306a\u78ba\u7387\u5206\u5e03\u306b\u5f93\u3046\u3067\u3057\u3087\u3046\u304b\u3002 \u7d50\u8ad6\u3068\u3057\u3066\u306f$X+Y \\sim N(\\mu_1+\\mu_2, \\sigma_1 ^2 + \\sigma_2 ^2)$\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u540c\u3058\u78ba\u7387\u5206\u5e03\u306b\u5f93\u3046\u72ec\u7acb\u306a\u78ba\u7387\u5909\u6570\u306e\u548c\u306e\u78ba\u7387\u5206\u5e03\u304c\u3001\u5143\u3005\u306e\u78ba\u7387\u5206\u5e03\u306b\u5f93\u3046\u6027\u8cea\u306fwikipedia:\u518d\u751f\u6027\u3068\u547c\u3070\u308c\u307e\u3059\u3002 \u518d\u751f\u6027\u306f\u3001\u3059\u3079\u3066\u306e\u78ba\u7387\u5206\u5e03\u304c\u6301\u3064\u6027\u8cea\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u6b63\u898f\u5206\u5e03\u3084\u4e8c\u9805\u5206\u5e03\u3001\u30dd\u30a2\u30bd\u30f3\u5206\u5e03\u306a\u3069\u306f\u518d\u751f\u6027\u2026","height":"190","width":"100%","url":"https://kiririmode.hatenablog.jp/entry/20230918/1694990834","author_name":"kiririmode","provider_url":"https://hatena.blog","image_url":null,"version":"1.0","html":""}