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)ANOVA
E)None of the above.

Question

Quizplus · Accepted Answer

ANOVA (Analysis of Variance) is used to compare the means of three or more groups, which is appropriate for determining if the average GPAs of sophomores, juniors, and seniors differ.

Let's Assume There Are Sophomores,juniors,and Seniors in Your Marketing Research