A correlation tells us:
A)whether a cause-effect relationship exists.
B)whether two variables are related
C)whether or not a test is efficient.
D)if people are responding to demand characteristics.

Question

Quizplus · Accepted Answer

A correlation tells us if there is a relationship between two variables, but it does not indicate whether one variable is causing the other. It simply indicates that when one variable changes, the other tends to change as well. Therefore, the best choice is B, which states that a correlation tells us whether two variables are related.

A Correlation Tells Us