{"description":"\u6570\u5b66\u304c\u82e6\u624b\u306a\u3046\u3061\u306eJK\u306b\u3001\u5c06\u6765\u5fc5\u8981\u3068\u306a\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u30c7\u30fc\u30bf\u5206\u6790\u3078\u306e\u62b5\u6297\u611f\u3092\u306a\u304f\u3057\u3066\u3082\u3089\u3046\u76ee\u7684\u3067\u8a18\u4e8b\u3092\u66f8\u304f\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002 \u524d\u56de\uff1a\u9ad8\u6821\u751f\u306e\u305f\u3081\u306e\u30c7\u30fc\u30bf\u5206\u6790\u5165\u9580 (12)\uff1a\u671f\u5f85\u5024\u3092\u8a08\u7b97\u3057\u3088\u3046 - \u306d\u3053\u3059\u305f\u3063\u3068 \u5206\u6563\u3068\u306f\uff1f \u5206\u6563\u3092\u8a08\u7b97\u3059\u308b n\u3067\u5272\u308b\u304b\u3001n-1\u3067\u5272\u308b\u304b \u5206\u6563\u306e\u8a08\u7b97\u304c\u5c11\u3057\u7c21\u5358\u306b\u306a\u308b\u65b9\u6cd5 \u671f\u5f85\u5024\u306e\u8a08\u7b97\u306e\u6027\u8cea \u304a\u308f\u308a\u306b \u5206\u6563\u3068\u306f\uff1f \u671f\u5f85\u5024\u306e\u6b21\u306f\u5206\u6563\uff08variance\uff09\u3067\u3059\u3002\u4ee5\u524d\u3001\u5206\u5e03\u306e\u30d0\u30e9\u30c4\u30ad\u306e\u6307\u6a19\u3068\u3057\u3066\u6a19\u6e96\u504f\u5dee\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u304c\u3001\u8a08\u7b97\u4e0a\u306e\u6027\u8cea\u306f\u5206\u6563\u306e\u65b9\u304c\u4fbf\u5229\u306a\u306e\u3067\u3001\u3053\u3061\u3089\u306e\u65b9\u304c\u3088\u304f\u4f7f\u3044\u307e\u3059\u3002\u300c\u6a19\u6e96\u504f\u5dee\u306e2\u4e57\u304c\u5206\u6563\u300d\u3068\u3044\u3046\u3088\u308a\u3082\u3001\u300c\u5206\u6563\u306e\u6b63\u306e\u5e73\u65b9\u6839\u304c\u6a19\u6e96\u504f\u5dee\u300d\u3068\u3044\u3063\u305f\u611f\u3058\u3067\u3059\u3002 \u5206\u6563\u3067\u8868\u3057\u305f\u3044\u2026","title":"\u9ad8\u6821\u751f\u306e\u305f\u3081\u306e\u30c7\u30fc\u30bf\u5206\u6790\u5165\u9580 (13)\uff1a\u5206\u6563\u3092\u8a08\u7b97\u3057\u3088\u3046","url":"https://necostat.hatenablog.jp/entry/2024/01/08/181738","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnecostat.hatenablog.jp%2Fentry%2F2024%2F01%2F08%2F181738\" title=\"\u9ad8\u6821\u751f\u306e\u305f\u3081\u306e\u30c7\u30fc\u30bf\u5206\u6790\u5165\u9580 (13)\uff1a\u5206\u6563\u3092\u8a08\u7b97\u3057\u3088\u3046 - \u306d\u3053\u3059\u305f\u3063\u3068\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["elementary","maths/theory"],"published":"2024-01-08 18:17:38","width":"100%","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/q/quossy/20240108/20240108170704.jpg","type":"rich","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/quossy/","blog_url":"https://necostat.hatenablog.jp/","version":"1.0","author_name":"quossy","height":"190","blog_title":"\u306d\u3053\u3059\u305f\u3063\u3068"}