Help Me Fit This Regression line Pleaseee

Question

The following table displays the mathematics test scores for a random sample of, along with their final SY16C grades.

a.Fit the regression line y=a+bx to the data

and interpret the results.

b.Use the regression equation to determine the SY16C grade for a college student who scored 60 on their achievement test. What would their SY16C grade be?

	Mathematics (x)	SY16C grade (y)
1	39	65
2	43	78
3	21	52
4	64	82
5	57	92
6	47	89
7	28	73
8	75	98
9	34	56

Answer 1

a. The regression equation is Predicted SY16C Grade = 40.711 + .781(Math Score)

b. Solve for a person who scored 60 on Math:

SY16C Grade = 40.711 + .781(60)

= 40.711 + 46.86

SY16C Grade = 87.6