Let's assume there are sophomores, juniors, and seniors in your marketing research class and we want to know if their average GPAs differ. What is the proper statistical test?
A) t-test
B) z-test
C) Chi-square test
D) Analysis of variance (ANOVA)
E) None of the above.

Question

Quizplus · Accepted Answer

ANOVA is used to compare the means of three or more groups, which is appropriate for comparing the average GPAs of sophomores, juniors, and seniors.

Let's Assume There Are Sophomores, Juniors, and Seniors in Your