Question

The coefficient of determination of a set of data points is 0.716.
a. Can you determine the linear correlation coefficient? If yes, obtain it. If no, why not?
b. Can you determine whether the slope of the regression line is positive or negative? Why or why not?
c. If we tell you that the slope of the regression line is negative, can you determine the linear correlation coefficient? If yes, obtain it. If no, why not?
d. If we tell you that the slope of the regression line is positive, can you determine the linear correlation coefficient? If yes, obtain it. If no, why not?


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  • CreatedAugust 13, 2015
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