SOLUTION: A contingency table is made up of 8 rows and 4 columns. How many degrees of freedom are present? A) 24 B) 21 C) 28 D) 32

SOLUTION: A contingency table is made up of 8 rows and 4 columns. How many degrees of freedom are present? A) 24 B) 21 C) 28 D) 32

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Question 397392: A contingency table is made up of 8 rows and 4 columns. How many degrees of
freedom are present?
A) 24 B) 21 C) 28 D) 32
Answer by mathdummy71(1) (Show Source): You can put this solution on YOUR website!
in an A by B contingency table, DF=(A-1)(B-1)
In this case A=8 and B=4 and you answer is 7*3=21
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