If other factors are held constant, which of the following sets of data is most likely to satisfy the homogeneity of variance assumption?
A. A sample mean difference of 6 points and sample variances of 15 and 10
B. The other 3 options are equally likely to satisfy the assumption
C. A sample mean difference of 2 points and sample variances of 6 and 4
D. A sample mean difference of 4 points and sample variances of 9 and 6