Given a set of paired data, {X, Y}, if Y is independent of X, you would expect that the correlation coefficient is ___.
A) negative
B) zero
C) positive
D) any value between −1.0 and 1.0
E) any value between −0.5 and 0.5

Question

Quizplus · Accepted Answer

A correlation coefficient of zero indicates no linear relationship between X and Y. If Y is independent of X, there should be no linear relationship between them. Therefore, we would expect the correlation coefficient to be zero.

Given a Set of Paired Data, {X, Y}, If Y