The numerical value of the coefficient of determination r 2

a. is the proportion of the variation in the dependent variable y that is explained by the best-fit linear equation.
b. is the proportion of the variation in the independent variable x that is explained by the best-fit linear equation.
c. indicates the direction of the relationship between the dependent variable y and the independent variable x.
d. Both A and B are correct.
e. A, B, and C are all correct.


A

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