Are test scores a good predictor of the overall grade for a course? A random sample of student grades in an introductory statistics class was taken. The data are below. Test 54 56 36 87 71 69 61 38 72...

I need help with this question. Take a look at the attached picture.

Extracted text: Are test scores a good predictor of the overall grade for a course? A random sample of student grades in an introductory statistics class was taken. The data are below. Test 54 56 36 87 71 69 61 38 72 40 Final 60 60 29 94 76 80 54 26 77 52 The two variables have summary statistics a = 58.4, j = 60.8, s, = 16.87 and s, = 21.89. The formula for the contribution to r for the first data point is ()(). The value for y, is Your answer: