The number of degrees of freedom for the appropriate chi-square distribution in a test of independence is
A)k (n − 1)
B)k-1
C)(number of rows - 1) * (number of columns - 1)
D)a chi-square distribution is not used in a test of independence
E)none of the above

Question

Quizplus · Accepted Answer

The correct formula for the degrees of freedom in a chi-square test of independence is given by (number of rows - 1) * (number of columns - 1). This formula is used to determine how many independent pieces of information are available to estimate parameters of interest.

The Number of Degrees of Freedom for the Appropriate Chi-Square