Calculating Degree Of Freedom In A Table

Q. The degree of freedom in a 4X4 table is

1. 4
2. 8
3. 9
4. 16

Answers is 3. 9

The degree of freedom in a table is calculated as
Degree of freedom = (r-1) X (c-1)
Where r= number of rows and c= number of columns
So (4-1) X (4-1) = 9 .