A chi-square test for independence is applied to a contingency table with three rows and five columns for two qualitative variables. The degrees of freedom for this test is 8.

Question

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The degrees of freedom for a chi-square test for independence is calculated as (number of rows - 1) * (number of columns - 1). For a table with 3 rows and 5 columns, it is (3-1)*(5-1) = 2*4 = 8.

A Chi-Square Test for Independence Is Applied to a Contingency