Given the least-squares regression line = -2.48 + 1.63x, and a coefficient of determination of 0.81, what is the coefficient of correlation?
A) -0.85
B) 0.85
C) -0.90
D) 0.90

Question

Given the least-squares regression line  = -2.48 + 1.63x, and a coefficient of determination of 0.81, what is the coefficient of correlation?
A) -0.85 
B) 0.85 
C) -0.90 
D) 0.90

Quizplus · Accepted Answer

The Answer of Given the least-squares regression line  = -2.48 + 1.63x, and a coefficient of determination of 0.81, what is the coefficient of correlation?
A) -0.85 
B) 0.85 
C) -0.90 
D) 0.90

Given the Least-Squares Regression Line = -2