Qi's analysis indicated that for those students who took calculus in high school and then introductory calculus in the first year of University, grades were correlated r = .45. This indicates that high school grades and university grades are
A) strongly related.
B) independent.
C) moderately related.
D) mutually exclusive.

Question

Quizplus · Accepted Answer

A correlation coefficient of .45 suggests a moderate relationship between high school grades and university grades. It is not a strong relationship nor are the grades independent of each other. Mutually exclusive refers to two events that cannot occur at the same time, which does not apply in this case.

Qi's Analysis Indicated That for Those Students Who Took Calculus