The chi-squared test statistic, X², measures the extent to which the observed cell counts differ from those expected when H₀ is true.

Name: The chi-squared test statistic, X 2 , measures the extent to which the observed cell counts differ from those expected when H 0 is true.
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The chi-squared test statistic measures the discrepancy between observed and expected frequencies under the null hypothesis (H0), which typically posits no association or difference between variables.

The Chi-Squared Test Statistic, X2, Measures the Extent to Which

The Chi-Squared Test Statistic, X², Measures the Extent to Which