Variables X and Y have $r = 0.40$ 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) 0.15
B) 0.40
C) 0.60
D) 0.80
E) -0.40

Question

Quizplus · Accepted Answer

The correlation coefficient $r$ is unaffected by changes in scale or location of the variables, so the correlation remains 0.40.

Variables X and Y Have r=0.40r = 0.40r=0.40 040 If We Decrease Each X Value by 0

Variables X and Y Have $r = 0.40$ 040 If We Decrease Each X Value by 0