GPA is regressed on YEAR in college. The resulting regression equation is GPA = 1.75 + .25(YEAR). Someone in their fourth year of college would be predicted to have a GPA _____ than someone in their first year of college.
A) 2.00 lower
B) 0.25 lower
C) 0.75 higher
D) 1.50 higher

Question

Quizplus · Accepted Answer

According to the regression equation, for each additional year in college, GPA is predicted to increase by 0.25. Therefore, someone in their fourth year of college would be predicted to have a GPA that is 0.75 higher than someone in their first year of college (0.25 x 3 = 0.75).

GPA Is Regressed on YEAR in College