A researcher computes a coefficient of correlation and determines that it is zero. This finding indicates that:
A) a perfect correlation between two variables exists.
B) as one variable increases, the other variable decreases.
C) there is no relationship between two variables.
D) as one variable increases, the other variable increases.

Question

Quizplus · Accepted Answer

A coefficient of correlation of zero indicates that there is no linear relationship between two variables. It does not imply any type of perfect correlation, positive or negative correlation.

A Researcher Computes a Coefficient of Correlation and Determines That