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单词 chi-square test
释义 chi-square testn.(名词)
  1. A test that uses the chi-square statistic to test the fit between a theoretical frequency distribution and a frequency distribution of observed data for which each observation may fall into one of several classes.X2检验:用X2数据对一个二项总体与多项总体之间差异的显著性所作的检验,在这种检验中,每个观测值可以落入若干个组之一
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