The degree of freedom associated with a chi-square test for two-way tables with r rows and c columns is

A) r - 1.
B) c - 1.
C) (r - 1) (c - 1) .

Question

The degree of freedom associated with a chi-square test for two-way tables with r rows and c columns isA) r - 1.B) c - 1.C) (r - 1) (c - 1) .

Richard Peterson · Accepted Answer

Final Answer : C, Explanation :  The degree of freedom associated with a chi-square test for two-way tables with r rows and c columns is given by (r-1) times (c-1). This is because in a two-way table, the number of expected values for each cell is not independent, and thus, the degrees of freedom cannot be calculated simply by subtracting 1 from each row and column total. Therefore, the correct choice is (r-1)(c-1) for the degree of freedom.

The degree of freedom associated with a chi-square test for two-way tables with r rows and c columns is

A) r - 1.
B) c - 1.
C) (r - 1) (c - 1) .

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