A correlation exists when
A) two variables are related to each other.
B) two variables have the same underlying cause.
C) two variables are affected by a third variable.
D) a cause-and-effect relationship exists between two variables.

Question

Quizplus · Accepted Answer

Correlation refers to a statistical relationship between two variables where a change in one variable is associated with a change in the other variable. It does not imply causation or a direct cause-and-effect relationship between the two variables.

A Correlation Exists When