True or False: A statistics professor wanted to test whether the grades on a statistics test were the
same for upper and lower classmen.The professor took a random sample of size 10 from each,
conducted a test and found out that the variances were equal.For this situation, the professor
should use a t test with independent samples.

Question

Quizplus · Accepted Answer

The professor should use a t-test for independent samples because the samples are from two different groups (upper and lower classmen), and the assumption of equal variances allows for the use of a pooled variance t-test.

True or False: a Statistics Professor Wanted to Test Whether