In testing the difference between two sample means, you would examine the ______ of the two groups to test the assumption of homogeneity of variance.
A) standard deviations
B) t-tests
C) means
D) sample sizes

Question

Quizplus · Accepted Answer

To test the assumption of homogeneity of variance, we need to examine the standard deviations of the two groups. Homogeneity of variance means that the groups being compared have approximately equal variances. If the variances of the two groups are not equal, it may affect the results of statistical tests used to compare the means of the two groups.

In Testing the Difference Between Two Sample Means, You Would