Question

2.       Dr. Rollins in Morgan’s Institutional research center wanted to find out how good high school GPA predicted first semester college GPA.  She obtained the records of 1,000 Morgan undergraduates after their first semester and their high school GPA and found the following:

a.       High School GPA  M=3.00  s=.51

b.       College GPA  M=2.4  s=.30

c.       r= .70

Compute the slope, b (15)

Compute the intercept, a (10)

Calculate the predicted college GPA for Jon whose high school GPA is 3.5 (5)

Calculate the predicted college GPA for Jan whose high school GPA is 2.5  (5)

Answer 1