If the correlation coefficient between two variables equals zero, what can be said of the variables X and Y?
A) Not related
B) Dependent on each other
C) Highly related
D) X causes Y

Question

Quizplus · Accepted Answer

A correlation coefficient of zero indicates that there is no linear relationship between the variables X and Y. It does not imply that there is no relationship at all between the variables, but only that the relationship is not linear. Therefore, we can say that the variables X and Y are not related.

If the Correlation Coefficient Between Two Variables Equals Zero, What