-For a certain data set the regression equation is y = 37 + 13x.The correlation coefficient between y and x in this data set _______.
A) must be 0
B) is negative
C) must be 1
D) is positive
E) must be 3

Question

-For a certain data set the regression equation is y = 37 + 13x.The correlation coefficient between y and x in this data set _______.
A) must be 0 
B) is negative 
C) must be 1 
D) is positive 
E) must be 3

Quizplus · Accepted Answer

The positive slope (13) in the regression equation indicates a positive relationship between x and y, suggesting a positive correlation coefficient.

-For a Certain Data Set the Regression Equation Is Y