If You Wish to Test Whether Two Population Means Are

Multiple Choice

If you wish to test whether two population means are equal using a two-sample t test with a pooled estimate of the common variance, which of the following assumptions is NOT true?

A) The population variances should be equal or nearly equal.
B) The two samples must be independent of each other.
C) The two samples sizes are small and the samples must be randomly selected from the populations.
D) The populations from which the samples are drawn must be t distributed.