There is a statistical relationship between two variables if which of the following is true?
A) The variables are measured on the same scale.
B) One of the variables has a higher mean than the other.
C) The average level of one variable differs across levels of the other.
D) The variables are conceptually similar (e.g., intelligence and common sense).

Question

Quizplus · Accepted Answer

A statistical relationship between two variables exists if the average level of one variable differs across levels of the other. This is known as a correlation, which measures the strength and direction of the relationship between two variables. The other options (A, B, and D) do not necessarily indicate a statistical relationship between two variables.

There Is a Statistical Relationship Between Two Variables If Which