If we find that there is a positive correlation between variable x and variable y, which of the following is true?
A) X causes y.
B) Y causes x.
C) There are common-causal variables that cause both x and y.
D) Any of the above possibilities may be correct.

Question

Quizplus · Accepted Answer

A positive correlation between variable x and variable y indicates that as one variable increases, the other also tends to increase. However, correlation does not imply causation. This means that while x could cause y (A), y could cause x (B), or there could be other variables that cause both x and y (C), we cannot determine the exact nature of the relationship based solely on the correlation. Therefore, any of the given possibilities may be correct, making D the correct answer.

If We Find That There Is a Positive Correlation Between