The degrees of freedom for chi square are based on the sample size.

Name: The degrees of freedom for chi square are based on the sample size.
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The degrees of freedom for a chi-square test depend on the number of categories or groups being analyzed, not directly on the sample size. For a chi-square test of independence, the degrees of freedom are calculated as (number of rows - 1) * (number of columns - 1).

The Degrees of Freedom for Chi Square Are Based on the Sample