Given the least squares regression line $\hat { y }$ = 3.52 - 1.27x, and a coefficient of determination of 0.81, the coefficient of correlation is:
A)-0.85.
B)0.85.
C)-0.90.
D)0.90.

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The Answer of Given the least squares regression line $\hat { y }$ = 3.52 - 1.27x, and a coefficient of determination of 0.81, the coefficient of correlation is:
A)-0.85.
B)0.85.
C)-0.90.
D)0.90.

Given the Least Squares Regression Line y^\hat { y }y^​ = 352 - 127x, and a Coefficient of Determination of 0

Given the Least Squares Regression Line $\hat { y }$ = 352 - 127x, and a Coefficient of Determination of 0