In a university statistics course a correlation of -0.8 was found between number of classes missed and course grade. This can be interpreted to mean that
A) The more classes missed, the lower the course grade.
B) A lower course grade is caused by missing more classes.
C) The correlation is strong and positive.
D) A higher grade can be achieved by missing fewer classes.
E) The more classes missed, the higher the course grade.

Question

Quizplus · Accepted Answer

A correlation of -0.8 indicates a strong negative relationship between the number of classes missed and course grade. Therefore, as the number of classes missed increases, the course grade decreases. This is consistent with choice A.

In a University Statistics Course a Correlation of -0