Author Question: In the axb factorial experiment, where a is the number of levels for factor A, b is the number of ... (Read 78 times)

lbcchick · **on:** Jul 24, 2018

In the axb 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. (a - 1)(b - 1)
b. (a - 1)(r - 1)
c. (b - 1)(r - 1)
d. ab(r - 1)
e. (b + 1)(r + 1)

Question 2

The equation: Total SS = SSA + SSB + SS(AB) + SSE applies to which ANOVA model?
a. one-way ANOVA
b. a two-factor factorial design
c. completely randomized design
d. randomized block design
e. none of these