Share
Explore BrainMass

Correlation between two variables: College GPA vs High School GPA

See attached file.

How to find the correlation between two variables and how strong the relationship is and describe the conclusions and reasoning.

Find the linear regression equation and if the regression equation should be used for predictive purposes
College GPA High School GPA
1.72 28 2.61
3.51 25 3.66
2.45 21 3.249
2.85 19 3.225
2.84 22 3.66
3.46 15 2.57
1.97 26 3.08
3.47 20 3.162
3.47 23 3.428
4 22 3.52
2.94 16 2.987
1.9 21 2.91
3.25 23 3.057
3.23 17 2.659
3.51 25 2.98
1.2 19 2.57
3.35 15 2.8
2.17 20 2.581
3.57 24 3.521
2.21 18 2.71
2.57 17 2.74
2.19 25 3.641
4 19 2.337
2.52 16 2.12
2.52 18 2.871
3.79 21 2.534
1.28 23 2.92
3.77 20 3.59
3.07 27 2.59
1.24 18 2.35
3.25 18 2.164
3.85 19 3.556
3.63 21 3.625
3.32 18 3.561
1.64 15 3.71
2.2 24 2.766
3.6 13 2.237
1 26 2.94
2.85 19 2.979
2.27 14 3.19
4 25 3.372
3.16 21 3.128
2.5 20 2.345
2.36 15 2.18
2.11 21 3.247
3.88 21 3.347
2 17 2.326
2.35 16 2.2
3.42 20 2.92
2.45 27 3.68
1.32 18 2.215
3 17 3.24
4 25 4.09
3.55 16 2.219
3.69 13 2.483
3.83 24 3.68
1.35 16 3.019
0.92 15 2.958
2.3 22 2.993
3.6 26 3.217
1.32 16 2.78
3.45 19 3.317
3.92 25 3.916
2.22 21 3.36
3.04 19 2.895
2.67 24 3.195
1.7 23 2.924
3.77 21 3.382
2.7 23 3.11
3.46 22 3.85
3.44 22 2.6
3.66 16 2.63
2.37 23 3.26
3 16 2.09
2.51 16 2.46
3.97 31 3.951
2.67 18 3.61
2.57 25 3.11
2.81 17 2.71
2.26 19 3.02
3.02 17 3.002
4 26 3.776
2.62 19 3.327
1.5 16 2.338
2 14 2.39
2.95 21 3.364
3.31 20 3.383
4 26 3.35
3.61 27 3.068
2 11 2.085
2.75 16 3.23
3.83 20 3.67
3.3 21 2.743
2.9 20 3.062
2.33 22 2.489
3.74 23 3
3.55 19 2.727
3.87 24 3.759
2.86 12 2.72
3.85 27 3.693

Attachments

Solution Preview

See attached file.

I have attached the MINITAB file with the regression line. It uses high school GPA ...

Solution Summary

The correlation between two variables are examined. The college GPA versus high school GPA's are examined.

$2.19