{"id":4865,"date":"2022-03-07T21:30:12","date_gmt":"2022-03-07T12:30:12","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=4865"},"modified":"2022-07-10T17:38:26","modified_gmt":"2022-07-10T08:38:26","slug":"variance","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/variance.html","title":{"rendered":"\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\uff1a\u7d71\u8a08\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u3068\u5909\u91cf\u306e\u5909\u63db"},"content":{"rendered":"\n<p>\u7d71\u8a08\u5b66\u3092\u5b66\u3076\u3068\u304d\u3001\u5fc5\u305a\u5b66\u3070\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u8a00\u8449\u3068\u3057\u3066\u5206\u6563\uff08Variance\uff09\u3068\u6a19\u6e96\u504f\u5dee\uff08Standard 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loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy5.jpg\" alt=\"\" width=\"600\" height=\"208\" class=\"aligncenter size-full wp-image-4869\" \/><\/p>\n<p>\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u3053\u306e\u3088\u3046\u306b\u5206\u6563\u3084\u6a19\u6e96\u504f\u5dee\u306f\u30b0\u30e9\u30d5\u306e\u50be\u304d\u306b\u95a2\u4e0e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h3>\u5206\u6563\u3067\u4e8c\u4e57\u3059\u308b\u7406\u7531\uff1a\u4e8c\u4e57\u3059\u308b\u3068\u6570\u5b57\u306f\u5fc5\u305a\u30d7\u30e9\u30b9\u306b\u306a\u308b<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u3057\u3066\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u3092\u51fa\u3059\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u307e\u305a\u306f\u5206\u6563\u306e\u51fa\u3057\u65b9\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u30c7\u30fc\u30bf\u304c\u6b63\u898f\u5206\u5e03\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u5e73\u5747\u5024\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30c7\u30fc\u30bf\u306b\u3088\u3063\u3066\u3001\u5e73\u5747\u5024\u304b\u3089\u3069\u308c\u3060\u3051\u5024\u304c\u305a\u308c\u3066\u3044\u308b\u306e\u304b\u7570\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u5e73\u5747\u5024\u304b\u3089\u306e\u305a\u308c\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<span style=\"color: #0000ff;\">\u5e73\u5747\u5024\u3068\u6bd4\u3079\u3066\u30c7\u30fc\u30bf\u304c\u3069\u308c\u3060\u3051\u305a\u308c\u3066\u3044\u308b\u306e\u304b\u3092\u77e5\u308b\u305f\u3081\u306b\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u304b\u3089\u5e73\u5747\u5024\u3092\u5f15\u3051\u3070\u3044\u3044\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/span><\/p>\n<p>\u4f8b\u3048\u3070\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u6b63\u898f\u5206\u5e03\u3057\u3066\u3044\u308b\u3068\u4eee\u5b9a\u3057\u3066\u5206\u6563\u3092\u6c42\u3081\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>0, 6, -1, 3, 8, 2<\/li>\n<\/ul>\n<p>\u5148\u307b\u3069\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u5e73\u5747\u5024\uff08Averege\uff09\u306f3\u3067\u3059\u3002\u305d\u3053\u3067\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u30013\u304b\u3089\u3069\u308c\u3060\u3051\u305a\u308c\u3066\u3044\u308b\u304b\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy15.jpg\" alt=\"\" width=\"500\" height=\"380\" class=\"aligncenter size-full wp-image-4870\" \/><\/p>\n<p>\u305f\u3060\u3001\u3053\u306e\u72b6\u614b\u3067\u306f\u56f0\u3063\u305f\u3053\u3068\u304c\u8d77\u3053\u308a\u307e\u3059\u3002\u5e73\u5747\u5024\u306f\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u5747\u4e00\u5316\u3057\u305f\u5024\u3067\u3059\u3002\u305d\u306e\u305f\u3081<span style=\"color: #ff0000;\">\u5e73\u5747\u5024\u304b\u3089\u306e\u305a\u308c\u3092\u8a08\u7b97\u3057\u305f\u5f8c\u3001\u3059\u3079\u3066\u8db3\u3059\u3068\u5fc5\u305a\u7b54\u3048\u306f\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002<\/span>\u3064\u307e\u308a\u3053\u306e\u72b6\u614b\u306e\u307e\u307e\u8a08\u7b97\u3059\u308b\u3068\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3067\u5206\u6563\u304c\u30bc\u30ed\u306b\u306a\u308a\u307e\u3059\u3002\u5f53\u7136\u306a\u304c\u3089\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3067\u5206\u6563\u304c\u30bc\u30ed\u306a\u306e\u306f\u660e\u3089\u304b\u306b\u304a\u304b\u3057\u3044\u3067\u3059\u3002<\/p>\n<p>\u5e73\u5747\u5024\u304b\u3089\u306e\u5dee\u3092\u8db3\u3059\u3068\u5408\u8a08\u304c\u30bc\u30ed\u306b\u306a\u308b\u306e\u306f\u3001\u7b54\u3048\u304c\u30d7\u30e9\u30b9\u306b\u306a\u3063\u305f\u308a\u30de\u30a4\u30ca\u30b9\u306b\u306a\u3063\u305f\u308a\u3059\u308b\u304b\u3089\u3067\u3059\u3002\u305d\u3053\u3067\u5e73\u5747\u5024\u304b\u3089\u306e\u5dee\u3092\u51fa\u3057\u305f\u5f8c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u7b54\u3048\u3092\u30d7\u30e9\u30b9\u306b\u5909\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy16.jpg\" alt=\"\" width=\"500\" height=\"230\" class=\"aligncenter size-full wp-image-4871\" \/><\/p>\n<p>\u3069\u306e\u3088\u3046\u306b\u3059\u308c\u3070\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u81ea\u52d5\u7684\u306b\u30d7\u30e9\u30b9\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<span style=\"color: #0000ff;\">\u30d7\u30e9\u30b9\u3068\u30de\u30a4\u30ca\u30b9\u304c\u6df7\u3056\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u6570\u306b\u3064\u3044\u3066\u4e8c\u4e57\u3057\u307e\u3057\u3087\u3046\u3002<\/span>\u305d\u3046\u3059\u308c\u3070\u5e73\u5747\u5024\u3068\u306e\u5dee\u304c\u30d7\u30e9\u30b9\u3067\u3042\u3063\u3066\u3082\u30de\u30a4\u30ca\u30b9\u3067\u3042\u3063\u3066\u3082\u3001\u3059\u3079\u3066\u306e\u5024\u304c\u30d7\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u5206\u6563\u3092\u51fa\u3059\u3068\u304d\u3001\u5e73\u5747\u5024\u304b\u3089\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u3092\u5f15\u3044\u305f\u5f8c\u306b\u4e8c\u4e57\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy14.jpg\" alt=\"\" width=\"500\" height=\"362\" class=\"aligncenter size-full wp-image-4872\" \/><\/p>\n<p>\u4e8c\u4e57\u3059\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u5024\u304c\u30d7\u30e9\u30b9\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u4e8c\u4e57\u3059\u308b\u5834\u5408\u3001\u5e73\u5747\u5024\u3068\u306e\u8ddd\u96e2\u3082\u53cd\u6620\u3055\u308c\u307e\u3059\u3002\u5e73\u5747\u5024\u3068\u306e\u8ddd\u96e2\u304c\u5927\u304d\u3044\u307b\u3069\u3001\u4e8c\u4e57\u3059\u308b\u3068\u5024\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u5206\u6563\u3092\u51fa\u3059\u3068\u304d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5e73\u5747\u3068\u306e\u5dee\u3092\u3059\u3079\u3066\u8db3\u3057\u305f\u5f8c\u3001\u30c7\u30fc\u30bf\u306e\u500b\u6570\u3067\u5272\u308a\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\\(\\displaystyle\\frac{(-3)^2+3^2+(-4)^2+5^2+(-1)^2}{6}=10\\)<\/p>\n<p>\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u5206\u6563\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u53c2\u8003\u307e\u3067\u306b\u3001\u5206\u6563\u306e\u516c\u5f0f\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\\(S^2=\\displaystyle\\frac{(x_1-\\overline{x})^2+(x_2-\\overline{x})^2+&#8230;+(x_n-\\overline{x})^2}{n}\\)<\/p>\n<ul>\n<li>S<sup>2<\/sup>\uff1a\u5206\u6563<\/li>\n<li>\\(x_1\\)\u3084\\(x_2\\)\u306a\u3069\uff1a\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u306e\u5024<\/li>\n<li>\\(\\overline{x}\\)\uff1a\u5e73\u5747\u5024<\/li>\n<li>n\uff1a\u30c7\u30fc\u30bf\u306e\u6570<\/li>\n<\/ul>\n<p>\u5206\u6563\u306e\u516c\u5f0f\u3092\u899a\u3048\u3066\u3082\u3001\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u306e\u304b\u308f\u304b\u3089\u305a\u3001\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u7d71\u8a08\u5b66\u3067\u306f\u3001\u516c\u5f0f\u306f\u3069\u308c\u3082\u96e3\u3057\u3044\u3067\u3059\u3002\u305d\u3053\u3067\u516c\u5f0f\u3092\u899a\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u306e\u304b\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u516c\u5f0f\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7d71\u8a08\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u5408\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u8a08\u7b97\u3057\u3066\u304f\u308c\u307e\u3059\u3002\u305f\u3060\u8a66\u9a13\u554f\u984c\u3092\u89e3\u304f\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001\u5206\u6563\u306e\u610f\u5473\u3092\u7406\u89e3\u3057\u3066\u3001\u516c\u5f0f\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u554f\u984c\u3092\u89e3\u3051\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u307b\u304b\u306e\u516c\u5f0f\u3092\u5229\u7528\u3057\u3001\u5206\u6563\u3092\u51fa\u3059<\/h3>\n<p>\u306a\u304a\u5206\u6563\u3092\u51fa\u3059\u3068\u304d\u3001\u307b\u304b\u306e\u65b9\u6cd5\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3082\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5148\u307b\u3069\u306e\u516c\u5f0f\u3092\u5909\u5f62\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u516c\u5f0f\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\\(S^2=\\overline{x^2}-(\\overline{x})^2\\)<\/p>\n<ul>\n<li>S<sup>2<\/sup>\uff1a\u5206\u6563<\/li>\n<li>\\(\\overline{x^2}\\)\uff1a\u300c\u5404\u30c7\u30fc\u30bf\u3092\u4e8c\u4e57\u3057\u305f\u5024\u300d\u306e\u5e73\u5747\u5024<\/li>\n<li>\\((\\overline{x})^2\\)\uff1a\u5e73\u5747\u5024\u306e\u4e8c\u4e57<\/li>\n<\/ul>\n<p>\u3053\u306e\u516c\u5f0f\u304c\u6210\u308a\u7acb\u3064\u8a3c\u660e\u306f\u3057\u306a\u3044\u3082\u306e\u306e\u3001\u5148\u307b\u3069\u793a\u3057\u305f\u516c\u5f0f\u3092\u5c55\u958b\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3053\u306e\u516c\u5f0f\u3092\u4f5c\u308c\u307e\u3059\u3002\u306a\u304a\u5148\u307b\u3069\u306e\u30c7\u30fc\u30bf\u3067\u3042\u308c\u3070\u3001\u3053\u306e\u516c\u5f0f\u3092\u5229\u7528\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5206\u6563\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy10.jpg\" alt=\"\" width=\"600\" height=\"272\" class=\"aligncenter size-full wp-image-4873\" \/><\/p>\n<p>\u5206\u6563\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u300c\u5404\u30c7\u30fc\u30bf\u3092\u4e8c\u4e57\u3057\u305f\u5f8c\u3001\u5e73\u5747\u5316\u3057\u305f\u5024\u300d\u3068\u300c\u5e73\u5747\u5024\u3092\u4e8c\u4e57\u3057\u305f\u5024\u300d\u3092\u6bd4\u3079\u308b\u3068\u304d\u3001\u5e73\u5747\u5024\u3092\u4e8c\u4e57\u3059\u308b\u307b\u3046\u304c\u6570\u5b57\u306f\u5c0f\u3055\u304f\u306a\u308b\u3068\u4e88\u60f3\u3067\u304d\u307e\u3059\u3002\u5e73\u5747\u5024\u306f\u5168\u4f53\u3092\u5747\u4e00\u5316\u3057\u305f\u5024\u3067\u3042\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u5404\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3059\u308b\u307b\u3046\u304c\u6570\u5b57\u306f\u5927\u304d\u304f\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u5206\u6563\u306f\u6570\u5b57\u3092\u4e8c\u4e57\u3059\u308b\u305f\u3081\u3001\u5fc5\u305a\u30d7\u30e9\u30b9\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002\u5927\u304d\u3044\u6570\u5b57\u304b\u3089\u5c0f\u3055\u3044\u6570\u5b57\u3092\u5f15\u304f\u5fc5\u8981\u304c\u3042\u308b\u305f\u3081\u3001\u5148\u307b\u3069\u8a18\u3057\u305f\u516c\u5f0f\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u5e73\u5747\u5024\u306e\u4e8c\u4e57\uff08\u5c0f\u3055\u3044\u5024\uff09\u3092\u5f15\u3051\u3070\u3044\u3044\u3068\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n<h2>\u5206\u6563\u306e\u5e73\u65b9\u6839\u304c\u6a19\u6e96\u504f\u5dee\u306b\u306a\u308b<\/h2>\n<p>\u5206\u6563\u306b\u3064\u3044\u3066\u7406\u89e3\u3057\u305f\u5f8c\u3001\u6a19\u6e96\u504f\u5dee\u3092\u5b66\u3073\u307e\u3057\u3087\u3046\u3002\u5206\u6563\u304c\u308f\u304b\u308b\u5834\u5408\u3001\u6a19\u6e96\u504f\u5dee\u306e\u51fa\u3057\u65b9\u306f\u7c21\u5358\u3067\u3059\u3002<span style=\"color: #ff0000;\">\u5206\u6563\u306e\u5e73\u65b9\u6839\u304c\u6a19\u6e96\u504f\u5dee\u3067\u3059\u3002<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy11.jpg\" alt=\"\" width=\"404\" height=\"66\" class=\"aligncenter size-full wp-image-4874\" \/><\/p>\n<p>\u4f8b\u3048\u3070\u5206\u6563\u304c10\u306e\u5834\u5408\u3001\u6a19\u6e96\u504f\u5dee\u306f\\(\\sqrt{10}\\)\u3067\u3059\u3002\u307e\u305f\u5206\u6563\u304c16\u306e\u5834\u5408\u3001\u6a19\u6e96\u504f\u5dee\u306f4\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001\u30eb\u30fc\u30c8\u306e\u8a18\u53f7\u3092\u52a0\u3048\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u6a19\u6e96\u504f\u5dee\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5206\u6563\u3092\u51fa\u3059\u3068\u304d\u3001\u524d\u8ff0\u306e\u901a\u308a\u300c\u30c7\u30fc\u30bf\u3068\u5e73\u5747\u5024\u306e\u5dee\u300d\u306b\u5bfe\u3057\u3066\u4e8c\u4e57\u3057\u307e\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u5358\u4f4d\u304c\u5408\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u8ddd\u96e2\u306e\u6e2c\u5b9a\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u5358\u4f4d\u304ccm\u306e\u5834\u5408\u3001\u4e8c\u4e57\u3059\u308b\u3068cm<sup>2<\/sup>\u306b\u306a\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u8ddd\u96e2\u3067\u306f\u306a\u304f\u3001\u5358\u4f4d\u304c\u9762\u7a4d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067<span style=\"color: #0000ff;\">\u5358\u4f4d\u3092\u5143\u306b\u623b\u3059\u305f\u3081\u306b\u6a19\u6e96\u504f\u5dee\u3092\u5229\u7528\u3057\u307e\u3059\u3002<\/span>\u6570\u5b57\u3092\u4e8c\u4e57\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u5e73\u65b9\u6839\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5358\u4f4d\u3092\u623b\u3059\u306e\u3067\u3059\u3002\u5e73\u65b9\u6839\u3092\u5229\u7528\u3059\u308c\u3070\u3001cm<sup>2<\/sup>\u306fcm\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5206\u6563\u306f\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u3092\u8868\u3057\u307e\u3059\u3002\u540c\u3058\u3088\u3046\u306b\u3001\u6a19\u6e96\u504f\u5dee\u3082\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u3092\u8868\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u3092\u793a\u3059\u6307\u6a19\u3068\u3057\u3066\u306f\u3001\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306e2\u3064\u304c\u3042\u308b\u3068\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3067\u306e\u6a19\u6e96\u504f\u5dee\u306e\u610f\u5473<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u306a\u305c\u6a19\u6e96\u504f\u5dee\u3092\u5229\u7528\u3059\u308b\u306e\u304c\u91cd\u8981\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u306e\u7406\u7531\u3068\u3057\u3066\u3001\u30c7\u30fc\u30bf\u304c\u6b63\u898f\u5206\u5e03\u306b\u5f93\u3046\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308b\u304b\u3089\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u5e73\u5747\u5024\u304b\u3089\u300c\u6a19\u6e96\u504f\u5dee\u00d71\u300d\u306e\u7bc4\u56f2\uff1a\u30c7\u30fc\u30bf\u5168\u4f53\u306e68.3%<\/li>\n<li>\u5e73\u5747\u5024\u304b\u3089\u300c\u6a19\u6e96\u504f\u5dee\u00d72\u300d\u306e\u7bc4\u56f2\uff1a\u30c7\u30fc\u30bf\u5168\u4f53\u306e95.5%<\/li>\n<li>\u5e73\u5747\u5024\u304b\u3089\u300c\u6a19\u6e96\u504f\u5dee\u00d73\u300d\u306e\u7bc4\u56f2\uff1a\u30c7\u30fc\u30bf\u5168\u4f53\u306e99.7%<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy17.jpg\" alt=\"\" width=\"500\" height=\"452\" class=\"aligncenter size-full wp-image-4875\" \/><\/p>\n<p><span style=\"color: #0000ff;\">\u30c7\u30fc\u30bf\u304c\u6b63\u898f\u5206\u5e03\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30d2\u30b9\u30c8\u30b0\u30e9\u30e0\u3067\u3053\u306e\u95a2\u4fc2\u304c\u6210\u308a\u7acb\u3061\u307e\u3059\u3002<\/span>\u6a19\u6e96\u504f\u5dee\u306e\u5927\u5c0f\u306b\u95a2\u4fc2\u306a\u304f\u3053\u306e\u95a2\u4fc2\u3068\u306a\u308b\u305f\u3081\u3001\u6a19\u6e96\u504f\u5dee\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5f97\u3089\u308c\u305f\u30c7\u30fc\u30bf\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u7406\u89e3\u3057\u3084\u3059\u304f\u306a\u308b\u306e\u3067\u3059\u3002<\/p>\n<h2>\u30c7\u30fc\u30bf\u3078\u306e\u8db3\u3057\u7b97\u3068\u304b\u3051\u7b97\u306b\u3088\u308b\u5909\u91cf\u306e\u5909\u63db<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u5185\u5bb9\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u30c7\u30fc\u30bf\u3078\u306e\u8db3\u3057\u7b97\u3084\u304b\u3051\u7b97\u3092\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u5f97\u3089\u308c\u305f\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u64cd\u4f5c\u3092\u52a0\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f8b\u3048\u3070\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u6570\u5b57\u3092\u52a0\u3048\u305f\u308a\u3001\u6570\u5b57\u3092\u304b\u3051\u305f\u308a\u3059\u308b\u306e\u3067\u3059\u3002\u3053\u306e\u5834\u5408\u3001\u3069\u306e\u3088\u3046\u306b\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u304c\u5909\u308f\u308b\u306e\u304b\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u7d71\u8a08\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u8db3\u3057\u7b97\u3084\u304b\u3051\u7b97\u3092\u3059\u308b\u3068\u304d\u3001\u516c\u5f0f\u3092\u5229\u7528\u3057\u3066\u3082\u3044\u3044\u3067\u3059\u3002\u305f\u3060\u516c\u5f0f\u3092\u899a\u3048\u3001\u6570\u5b57\u3092\u4ee3\u5165\u3057\u3066\u3082\u3001\u305d\u308c\u304c\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u306e\u304b\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u5fdc\u7528\u554f\u984c\u304c\u51fa\u3055\u308c\u305f\u3068\u304d\u3001\u3069\u306e\u3088\u3046\u306b\u89e3\u3051\u3070\u3044\u3044\u306e\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067<span style=\"color: #0000ff;\">\u516c\u5f0f\u3092\u899a\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7d71\u8a08\u30c7\u30fc\u30bf\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3067\u5024\u304c\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u306e\u304b\u8003\u3048\u65b9\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/span>\u305d\u3046\u3059\u308c\u3070\u516c\u5f0f\u3092\u5229\u7528\u3057\u306a\u304f\u3066\u3082\u3001\u7d71\u8a08\u30c7\u30fc\u30bf\u3067\u306e\u5909\u91cf\u306e\u5909\u63db\u3092\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u5148\u306b\u7d50\u8ad6\u3092\u8ff0\u3079\u308b\u3068\u3001\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u8db3\u3057\u7b97\uff08\u307e\u305f\u306f\u5f15\u304d\u7b97\uff09\u3092\u3057\u305f\u308a\u3001\u304b\u3051\u7b97\uff08\u307e\u305f\u306f\u5272\u308a\u7b97\uff09\u3092\u3057\u305f\u308a\u3059\u308b\u3068\u304d\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5e73\u5747\u30fb\u5206\u6563\u30fb\u6a19\u6e96\u504f\u5dee\u304c\u5909\u5316\u3057\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy18.jpg\" alt=\"\" width=\"600\" height=\"159\" class=\"aligncenter size-full wp-image-4876\" \/><\/p>\n<p>\u306a\u305c\u3001\u3053\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<h3>\u8db3\u3057\u7b97\u30fb\u5f15\u304d\u7b97\u306b\u3088\u308b\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u306e\u5909\u5316<\/h3>\n<p>\u5143\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u8db3\u3057\u7b97\uff08\u307e\u305f\u306f\u5f15\u304d\u7b97\uff09\u3092\u3059\u308b\u3068\u306f\u3001\u3064\u307e\u308a\u3069\u3046\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u4f8b\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>0, 6, -1, 3, 8, 2<\/li>\n<\/ul>\n<p>\u3053\u306e\u30c7\u30fc\u30bf\u306e\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u306f\u5148\u307b\u3069\u8a08\u7b97\u3057\u305f\u901a\u308a\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5e73\u5747\u5024\uff08Averege\uff09\uff1a3<\/li>\n<li>\u5206\u6563\uff08Variance\uff09\uff1a10<\/li>\n<li>\u6a19\u6e96\u504f\u5dee\uff08Standard deviation\uff09\uff1a\\(\\sqrt{10}\\)<\/li>\n<\/ul>\n<p>\u4e00\u65b9\u3001\u3059\u3079\u3066\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u30662\u3092\u8db3\u3059\u3068\u3069\u3046\u306a\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u5148\u307b\u3069\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u30012\u304c\u52a0\u308f\u308b\u306e\u3067\u4ee5\u4e0b\u306e\u30c7\u30fc\u30bf\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>2, 8, 1, 5, 10, 4<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/gjy27.jpg\" alt=\"\" width=\"500\" height=\"353\" class=\"aligncenter size-full wp-image-4877\" \/><\/p>\n<p>\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306b2\u304c\u52a0\u308f\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u5e73\u5747\u5024\u306b\u3064\u3044\u3066\u30822\u5897\u3048\u308b\u3068\u4e88\u60f3\u3067\u304d\u307e\u3059\u3002\u5168\u30c7\u30fc\u30bf\u3092\u8db3\u3057\u305f\u5f8c\u3001\u500b\u6570\u3067\u5272\u308b\u3068\u5e73\u5747\u5024\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5168\u30c7\u30fc\u30bf\u30672\u5897\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u5f53\u7136\u306a\u304c\u3089\u5e73\u5747\u5024\u30822\u5897\u3048\u308b\u306e\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u5168\u30c7\u30fc\u30bf\u306e\u5024\u304c\u5897\u3048\u305f\u3068\u3057\u3066\u3082\u3001\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u306f\u5909\u5316\u3057\u3066\u3044\u307e\u305b\u3093\u3002\u30c7\u30fc\u30bf\u306e\u5834\u6240\u306f\u79fb\u52d5\u3057\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u305d\u308c\u305e\u308c\u306e\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u306f\u540c\u3058\u3067\u3059\u3002<\/p>\n<p><span style=\"color: #0000ff;\">\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u304c\u540c\u3058\u3067\u3042\u308b\u305f\u3081\u3001\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/span>\u3053\u308c\u304c\u3001\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u6570\u5b57\u3092\u8db3\u3057\u305f\u308a\u3001\u5f15\u3044\u305f\u308a\u3059\u308b\u3068\u304d\u306e\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306e\u5909\u5316\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u7d71\u8a08\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(x\\)\uff09\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u65b0\u3057\u3044\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(y\\)\uff09\u3092\u4f5c\u308b\u3068\u304d\u3001\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u306f\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<ul>\n<li>\\(y=x-4\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306b\u3064\u3044\u30664\u5f15\u304f\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5143\u306e\u7d71\u8a08\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(x\\))\u3068\u6bd4\u3079\u3066\u3001\u65b0\u305f\u306a\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(y\\)\uff09\u306e\u5e73\u5747\u5024\u306f4\u4f4e\u3044\u3067\u3059\u3002\u4e00\u65b9\u3067\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306f\u5909\u308f\u308a\u307e\u305b\u3093\u3002<\/p>\n<h3>\u304b\u3051\u7b97\u30fb\u5272\u308a\u7b97\u306b\u3088\u308b\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u306e\u5909\u5316<\/h3>\n<p>\u6b21\u306b\u3001\u7d71\u8a08\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u304b\u3051\u7b97\uff08\u307e\u305f\u306f\u5272\u308a\u7b97\uff09\u3092\u3059\u308b\u3068\u304d\u306e\u5909\u91cf\u306e\u5909\u5316\u3092\u8003\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u4f8b\u3048\u3070\u5168\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u30663\u500d\u3057\u305f\u308a\u3001\\(\\displaystyle\\frac{1}{4}\\)\u500d\u3057\u305f\u308a\u3059\u308b\u306e\u3067\u3059\u3002\u5148\u307b\u3069\u3068\u540c\u3058\u3088\u3046\u306b\u3001\u300c0, 6, -1, 3, 8, 2\u300d\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u5e73\u5747\u5024\uff08Averege\uff09\uff1a3<\/li>\n<li>\u5206\u6563\uff08Variance\uff09\uff1a10<\/li>\n<li>\u6a19\u6e96\u504f\u5dee\uff08Standard deviation\uff09\uff1a\\(\\sqrt{10}\\)<\/li>\n<\/ul>\n<p>\u4f8b\u3048\u3070\u5168\u30c7\u30fc\u30bf\u30922\u500d\u3059\u308b\u5834\u5408\u3001\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u306f\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u3067\u3057\u3087\u3046\u304b\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2022\/03\/ugh9.jpg\" alt=\"\" width=\"400\" height=\"452\" class=\"aligncenter size-full wp-image-4878\" \/><\/p>\n<p><span style=\"color: #0000ff;\">\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u304c2\u500d\u306b\u306a\u308b\u305f\u3081\u3001\u5e73\u5747\u5024\u306b\u3064\u3044\u3066\u30822\u500d\u306b\u306a\u308b\u3068\u4e88\u60f3\u3067\u304d\u307e\u3059\u3002<\/span>\u4f8b\u3048\u3070\u30c7\u30fc\u30bf\u3068\u3057\u3066a\u3001b\u3001c\u304c\u3042\u308b\u5834\u5408\u3001\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u30662\u500d\u3059\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u300c\u3059\u3079\u3066\u306e\u30c7\u30fc\u30bf\u3092\u8db3\u3057\u305f\u5f8c\u306b2\u500d\u3059\u308b\u300d\u306e\u3068\u610f\u5473\u304c\u540c\u3058\u3067\u3059\u3002<\/p>\n<ul>\n<li>\\(a\u00d72+b\u00d72+c\u00d72=2(a+b+c)\\)<\/li>\n<\/ul>\n<p>\u307e\u305f\u5e73\u5747\u5024\u3092\u51fa\u3059\u3068\u304d\u3001\u500b\u6570\u3067\u5272\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u304c2\u500d\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u5e73\u5747\u5024\u30822\u500d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u308c\u3067\u306f\u3001\u5206\u6563\u3084\u6a19\u6e96\u504f\u5dee\u306f\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u5148\u307b\u3069\u306e\u56f3\u3092\u78ba\u8a8d\u3057\u3066\u308f\u304b\u308b\u901a\u308a\u3001\u5168\u30c7\u30fc\u30bf\u30922\u500d\u3059\u308b\u3068\u3070\u3089\u3064\u304d\u304c\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u5206\u6563\u304c\u5909\u5316\u3057\u307e\u3059\u3002\u3053\u308c\u307e\u3067\u89e3\u8aac\u3057\u305f\u901a\u308a\u3001\u5206\u6563\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u306f\u4e8c\u4e57\u3092\u5229\u7528\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u5143\u306e\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(x\\)\uff09\u306b\u5bfe\u3057\u30662\u500d\u3059\u308b\u5834\u5408\u3001\u5206\u6563\u306f\\(2^2=4\\)\u500d\u306b\u306a\u308a\u307e\u3059\u3002<span style=\"color: #ff0000;\">\\(a\\)\u500d\u3059\u308b\u5834\u5408\u3001\u5206\u6563\u306f\\(a^2\\)\u500d\u306b\u306a\u308b\u306e\u3067\u3059\u3002<\/span><\/p>\n<p>\u307e\u305f\u6a19\u6e96\u504f\u5dee\u306f\u5206\u6563\u306e\u5e73\u65b9\u6839\u3067\u3042\u308b\u305f\u3081\u3001\u5168\u30c7\u30fc\u30bf\u30922\u500d\u3059\u308b\u3068\u3001\u6a19\u6e96\u504f\u5dee\u306f2\u500d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a<span style=\"color: #0000ff;\">\u5206\u6563\u306f\u4e8c\u4e57\u306b\u3088\u3063\u3066\u6b63\u306e\u5024\u306b\u306a\u308b\u305f\u3081\u3001\u305d\u306e\u5e73\u65b9\u6839\u3067\u3042\u308b\u6a19\u6e96\u504f\u5dee\u306f\u5fc5\u305a\u6b63\u306e\u5024\u306b\u306a\u308a\u307e\u3059\u3002<\/span>\u305d\u306e\u305f\u3081\u4f8b\u3048\u3070\u30c7\u30fc\u30bf\u3092-3\u500d\u3059\u308b\u5834\u5408\u3001\\(|-3|=3\\)\u3068\u306a\u308a\u3001\u6a19\u6e96\u504f\u5dee\u306f3\u500d\u306b\u306a\u308a\u307e\u3059\u3002\u5143\u306e\u30c7\u30fc\u30bf\u306b\u30de\u30a4\u30ca\u30b9\u306e\u6570\u5b57\u3092\u304b\u3051\u308b\u5834\u5408\u3001\u6a19\u6e96\u504f\u5dee\u304c\u6b63\u306e\u5024\u306b\u306a\u308b\u3088\u3046\u306b\u304b\u3051\u7b97\u3092\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u7d71\u8a08\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(x\\)\uff09\u306b\u3064\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u65b0\u3057\u3044\u30c7\u30fc\u30bf\uff08\u5909\u91cf\\(y\\)\uff09\u3092\u4f5c\u308b\u3068\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(y=-\\displaystyle\\frac{1}{3}\\)<\/li>\n<\/ul>\n<p>\u3053\u306e\u5834\u5408\u3001\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u306f\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u3067\u3057\u3087\u3046\u304b\u3002\\(-\\displaystyle\\frac{1}{3}\\)\u500d\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u305f\u3081\u3001\u5e73\u5747\u5024\u306f\\(-\\displaystyle\\frac{1}{3}\\)\u500d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3067\u5206\u6563\u306f\u4e8c\u4e57\u3059\u308b\u3053\u3068\u306b\u306a\u308b\u305f\u3081\u3001\\(\\left(-\\displaystyle\\frac{1}{3}\\right)^2=\\displaystyle\\frac{1}{9}\\)\u500d\u306b\u306a\u308a\u307e\u3059\u3002\u307e\u305f\u6a19\u6e96\u504f\u5dee\u306f\\(\\left|-\\displaystyle\\frac{1}{3}\\right|=\\displaystyle\\frac{1}{3}\\)\u500d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7406\u7531\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u516c\u5f0f\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u5909\u91cf\u306e\u5909\u63db\u3092\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u7d71\u8a08\u5b66\u3092\u5b66\u3076\u3068\u304d\u3001\u516c\u5f0f\u3092\u899a\u3048\u308b\u306e\u3067\u306f\u306a\u304f\u610f\u5473\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u3070\u3089\u3064\u304d\u3092\u8868\u3059\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee<\/h2>\n<p>\u7d71\u8a08\u5b66\u3067\u6700\u3082\u91cd\u8981\u306a\u8a00\u8449\u306b\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u7d71\u8a08\u51e6\u7406\u3092\u3059\u308b\u3068\u304d\u3001\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306f\u983b\u7e41\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306e\u51fa\u3057\u65b9\u3092\u5b66\u3076\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30fc\u304c\u81ea\u52d5\u7684\u306b\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u3092\u51fa\u3057\u3066\u304f\u308c\u308b\u3082\u306e\u306e\u3001\u8a08\u7b97\u65b9\u6cd5\u3092\u7406\u89e3\u3057\u3066\u3044\u306a\u3044\u3068\u3001\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u306e\u304b\u308f\u304b\u308a\u307e\u305b\u3093\u3002\u307e\u305f\u8a00\u8449\u306e\u610f\u5473\u3084\u8a08\u7b97\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u516c\u5f0f\u3092\u899a\u3048\u306a\u304f\u3066\u3082\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u3092\u5b66\u3079\u3070\u3001\u30c7\u30fc\u30bf\u306b\u5bfe\u3057\u3066\u8db3\u3057\u7b97\u3084\u304b\u3051\u7b97\u3092\u3059\u308b\u3068\u304d\u3001\u5e73\u5747\u5024\u3084\u5206\u6563\u3001\u6a19\u6e96\u504f\u5dee\u304c\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u306e\u304b\u308f\u304b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u516c\u5f0f\u3092\u899a\u3048\u3066\u3082\u610f\u5473\u304c\u306a\u304f\u3001\u7d71\u8a08\u3067\u306f\u7406\u7531\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308c\u3070\u6697\u8a18\u305b\u305a\u306b\u8a08\u7b97\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u7d71\u8a08\u30c7\u30fc\u30bf\u304c\u4f55\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u306e\u304b\u308f\u304b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7d71\u8a08\u5b66\u3092\u5b66\u3076\u3068\u304d\u3001\u5fc5\u305a\u5b66\u3070\u306a\u3051\u308c\u3070\u3044\u3051\u306a\u3044\u8a00\u8449\u3068\u3057\u3066\u5206\u6563\uff08Variance\uff09\u3068\u6a19\u6e96\u504f\u5dee\uff08Standard deviation\uff09\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\uff08\u6563\u3089\u3070\u308a\uff09\u3092\u793a\u3059\u306e\u304c\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u3067\u3059\u3002 \u305f\u3060\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u3092\u5b66 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4884,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":{"0":"post-4865","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-statistics"},"_links":{"self":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/4865","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/comments?post=4865"}],"version-history":[{"count":3,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/4865\/revisions"}],"predecessor-version":[{"id":7936,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/posts\/4865\/revisions\/7936"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media\/4884"}],"wp:attachment":[{"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/media?parent=4865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/categories?post=4865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hatsudy.com\/jp\/wp-json\/wp\/v2\/tags?post=4865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}