Which correlation coefficient is most likely to describe the relationship between brushing one's teeth and the number of cavities one gets?
A) -.62
B) .83
C) -.08
D) .45

Question

Quizplus · Accepted Answer

A negative correlation coefficient (like -.62) indicates that as one variable increases, the other tends to decrease. In this context, as the frequency of brushing one's teeth increases, the number of cavities is likely to decrease, making choice A the most plausible.

Which Correlation Coefficient Is Most Likely to Describe the Relationship