If the regression coefficient of the independent variable in a simple regression equation is negative, then which of the following statement is correct?
A. The coefficient of correlation between the variables is zero.
B. The coefficient of correlation between the variables is the positive square root of the coefficient of determination.
C. The coefficient of correlation between the variables is the negative square root of the coefficient of determination.
D. None of the above.
Answer:C
If the regression coefficient of the independent variable in a simple regression equation is negative, then which of the following statement is correct?
A. The coefficient of correlation between the variables is zero. B. The coefficient of correlation between the variables is the positive square root of the coefficient of determination. C. The coefficient of correlation between the variables is the negative square root of the coefficient of determination. D. None of the above.