Which of the following is an assumption for the two-independent-sample t test,but not the one-sample t test?
A) normality
B) random sampling
C) independence
D) equal variances

Question

Quizplus · Accepted Answer

The two-independent-sample t-test assumes equal variances between the two groups being compared, which is not an assumption for the one-sample t-test. The one-sample t-test compares the mean of a single sample to a known value or theoretical expectation, so the concept of equal variances between groups does not apply.

Which of the Following Is an Assumption for the Two-Independent-Sample