| 释义 |
chi-square testn.（名词）- 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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