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1. A researcher at a private college in Oregon was interested in relating cumulative GPA (CGPA) on graduation from the college to SAT math scores.
1. A researcher at a private college in Oregon was interested in relating cumulative GPA (CGPA) on graduation from the college to SAT math scores. For last years graduating class she computed a correlation of r = 0.43. How much of the variability in CGPA can be associated with differences in SAT math scores?
3. For each of the two scatterplots below, I have provided the value for the coefficient of determination. In each case, please compute the value for the correlation coefficient.
Coefficient of Determination | |
95% | 27% |
r = | r = |
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