If two variables, x and y, have a strong linear relationship, then
A) there may or may not be any causal relationship between x and y.
B) x causes y to happen.
C) y causes x to happen.
D) the F test is used to conclude there is a causal relationship between x and y.

Question

Quizplus · Accepted Answer

A strong linear relationship between x and y only indicates a correlation, not causation. It is possible that there is a causal relationship, but additional evidence is needed to establish causation. The F test is used to test for the significance of the relationship between x and y, but it does not establish causality.

If Two Variables, X and Y, Have a Strong Linear