If variables X and Y are correlated, then which of the following is not a possibility?
A)X causes Y.
B)X and Y are independent of each other..
C)Y causes X.
D)X and Y may be caused by a third variable, Z.

Question

Quizplus · Accepted Answer

If X and Y are correlated, it means that there is a relationship between the two variables. If X and Y are independent of each other, then they are not correlated. Therefore, B is not a possibility. A, C, and D are all possibilities, as X may cause Y, Y may cause X, or both X and Y may be caused by a third variable, Z.

If Variables X and Y Are Correlated, Then Which of the Following