THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
In a two-way ANOVA,there are 5 groups,3 blocks,and two observations per cell.
-The number of degrees of freedom for the interaction term is:
A)8
B)6
C)4
D)2

Question

Quizplus · Accepted Answer

The interaction term has degrees of freedom equal to the product of the degrees of freedom for the two factors involved. In this case, the two factors are groups and blocks, which have 4 and 2 degrees of freedom, respectively. Therefore, the interaction term has 4 * 2 = 8 degrees of freedom.