Under what conditions can the t-distribution be correctly employed to test the difference between two population means?
A) The samples must be small and selected at random from the population.
B) The samples must be independent of each other.
C) The population variances should be equal or nearly equal, and the populations must be normally distributed.
D) All of these.
E) None of these.

Question

Quizplus · Accepted Answer

The t-distribution can be correctly used under all the conditions listed: small, random samples (A), independence of samples (B), and equal or nearly equal population variances with normally distributed populations (C).

Under What Conditions Can the T-Distribution Be Correctly Employed to Test