The correlation between X and Y is r = 0.35. If we double each X value, decrease each Y by 0.20, and interchange the variables (put X on the Y-axis and vice versa), the new correlation
A) is 0.50
B) is 0.90
C) is 0.35
D) is 0.70
E) cannot be determined.

Question

Quizplus · Accepted Answer

The correlation coefficient (r) is not affected by changing the scale or location of X or Y, nor by interchanging the variables. Thus, the correlation remains r = 0.35.

The Correlation Between X and Y Is R = 0