Question

question 9 (3 points) listen degrees of freedom for chi - square test of independence is equal to which of the following? \\(n_1 + n_2 - 2\\) \\(n - 1\\) \\((\\#columns \\#rows) - 1\\) \\((\\#rows - 1) (\\#columns - 1)\\)

Explanation:

The degrees of freedom for a chi-square test of independence is calculated based on the number of rows and columns in the contingency table, using the standard formula that accounts for the constraints in the table.

Answer:

$\boldsymbol{(\#rows \ - \ 1) * (\#columns \ - \ 1)}$