Using the regression formula with a slope = 0.704 and an intercept = 0.919,what would the predicted college GPA be for a student whose current high school GPA = 3.2?
A)2.69
B)2.97
C)3.00
D)3.17

Question

Quizplus · Accepted Answer

The regression formula is y = mx + b, where y is the predicted college GPA, x is the high school GPA, m is the slope, and b is the intercept.
Plugging in the values given, we get:
y = 0.704(3.2) + 0.919
y = 2.246 + 0.919
y = 3.165
Therefore, the predicted college GPA for a student whose current high school GPA is 3.2 is 3.17 (rounded to the nearest hundredth). The best choice is D.

Using the Regression Formula with a Slope = 0