a. Tom designed a complete factorial experiment with 2 factors.
One factor had 4 levels, the other had 5 levels. For each
combination of levels of factors, there were 6 replicates. In the
ANOVA table associated with this design, what were the degrees of
freedom of the interaction?
a. 7, b. 12, c. 20, d. 24, e. 30.
b. In the above ANOVA table of the complete factorial
experiment, suppose we want to test the significance of the
main effect...