Several factors influence the size of the F-ratio. For each of the following, indicate whether it would

Question:

Several factors influence the size of the F-ratio. For each of the following, indicate whether it would influence the numerator or the denominator of the F-ratio, and indicate whether the size of the F-ratio would increase or decrease.
a. Increase the differences between the sample means.
b. Increase the size of the sample variances.