If the Mean and Variance Are Computed for Each Sample

Multiple Choice

If the mean and variance are computed for each sample in an independent-measures,two-factor experiment,which of the following types of sample data will tend to produce large F-ratios for the two-factor ANOVA?

A) Large differences between sample means and small sample variances
B) Large differences between sample means and large sample variances
C) Small differences between sample means and small sample variances
D) Small differences between sample means and large sample variances