It Has Been Hypothesized That Overall Academic Success for Freshmen

Multiple Choice

It has been hypothesized that overall academic success for freshmen at college as measured by grade point average (GPA) is a function of IQ scores (X₁) , hours spent studying each week (X₂) , and one's high school average (X₃) . Suppose the regression equation is: Y' = -6.9 + 0.055X₁ + 0.107X₂ + 0.0083X₃.
The multiple standard error is 6.313 and R²= 0.826. What will the GPA be if the number of hours spent studying is 30 the IQ is 108, and the high school average is 82?

A) 3.1446
B) 2.9306
C) 0.428
D) 10.0446
E) 13.1892