Which of the following are not characteristics of the correlation coefficient?

Check all that apply.

A. It must be positive.

B. It must be between -1 and 1.

C. The correlation coefficient tells you how strong the residuals are.

D. It indicates the percentage of points that lie on the regression line.

E. If correlation is positive, the slope of the regression line is also positive.

Question

Which of the following are not characteristics of the correlation coefficient?

Check all that apply.
  		
A. 	It must be positive.
  		
B. 	It must be between -1 and 1.
  		
C. 	The correlation coefficient tells you how strong the residuals are.
  		
D. 	It indicates the percentage of points that lie on the regression line.
  		
E. 	If correlation is positive, the slope of the regression line is also positive.

mathmale · Answer

1.  Look up "correlation coefficient."  Look for examples of where you find such coefficients and what they mean in practical terms.
2.  Some of the statements A-E are correct.  Which ones?
3.   Some are false.  Which ones?  Why?  How do you know?