A basic method in mathematical statistics. More precisely, it is called a statistical hypothesis testing method. Given a set of data, this method examines whether the hypothesis that the data is a sample from a population in a particular field is consistent with the data. If the hypothesis is correct, a range (rejection region) is defined in which the probability that the sample falls within it is small, and if the data falls within that range, the hypothesis is rejected as incorrect. [Takeuchi Akira] Source: Heibonsha World Encyclopedia, 2nd Edition Information |
数理統計学における基本的方法の一つ。正確には統計的仮説検定法という。1組のデータが与えられたとき,それがある特定の分野に従う母集団からの標本である,という仮説がデータと矛盾しないかどうかをみる方法。仮説が正しいとき,標本がその中に入る確率が小さくなるような範囲(棄却域)を定めて,データがそこに入れば仮説は正しくないものとして棄却する。【竹内 啓】
出典 株式会社平凡社世界大百科事典 第2版について 情報 |
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