In the factorial experiment, where a is the number of levels for factor A, b is the number of levels for factor B, and r in the number of replications of each of the ab factor combinations, the degrees of freedom for interaction is given by:
A) (a1)(b1)
B) (a1)(r1)
C) (b1)(r1)
D) ab(r1)
E) (b + 1)(r + 1)

Question

In the  factorial experiment, where a is the number of levels for factor A, b is the number of levels for factor B, and r in the number of replications of each of the ab factor combinations, the degrees of freedom for interaction is given by:
A) (a1)(b1) 
B) (a1)(r1) 
C) (b1)(r1) 
D) ab(r1) 
E) (b + 1)(r + 1)

Quizplus · Accepted Answer

The Answer of In the  factorial experiment, where a is the number of levels for factor A, b is the number of levels for factor B, and r in the number of replications of each of the ab factor combinations, the degrees of freedom for interaction is given by:
A) (a1)(b1) 
B) (a1)(r1) 
C) (b1)(r1) 
D) ab(r1) 
E) (b + 1)(r + 1)

In the Factorial Experiment, Where a Is the Number