Value for the coefficient of determination

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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. For last year's 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 =

Reference no: EM131238560

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