Variables X and Y have r = 0.40. If we decrease each X value by 0.1, double each Y value, and then
Interchange them (put X on the Y-axis and vice versa) the new correlation will be
A) -0.40
B) 0.80
C) 0.60
D) 0.40
E) 0.15

Question

Quizplus · Accepted Answer

The correlation coefficient (r) is unaffected by changes in scale or location of the variables, such as adding or subtracting a constant, multiplying by a constant, or interchanging axes. Therefore, the correlation remains 0.40.

Variables X and Y Have R = 0