At a certain college, the average difference in GPA for male sophomores compared to male freshmen is 0.5 point. The average difference in GPA for female freshmen compared to female freshmen is also 0.5 point. Based on this pattern, you can conclude
A) There is no interaction between gender (male, female) and GPA.
B) There is no interaction between gender (male, female) and class (freshmen, sophomore).
C) There is no interaction between class (freshmen, sophomore) and GPA.
D) There is an interaction between gender (male, female) and GPA.

Question

Quizplus · Accepted Answer

The information given shows that the average GPA difference from freshman to sophomore year is the same for both males and females, indicating that the change in GPA from freshman to sophomore year does not depend on gender, hence no interaction between gender and class.

At a Certain College, the Average Difference in GPA for Male