The number of degrees of freedom in a test of a contingency table with 7 rows and 5 columns is:
A)24.
B)35.
C)30.
D)28.

Name: The number of degrees of freedom in a test of a contingency table with 7 rows and 5 columns is: A)24. B)35. C)30. D)28.
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Question

Quizplus · Accepted Answer

The degrees of freedom for a contingency table is (r-1) * (c-1), where r is the number of rows and c is the number of columns. In this case, r = 7 and c = 5, so the degrees of freedom is (7-1) * (5-1) = 6 * 4 = 24.

The Number of Degrees of Freedom in a Test of a Contingency