If the correlation between the number of siblings one has and their college GPA is .86,then we could:
A) explain why students who are the only child do so poorly in college
B) explain why students who are the only child do so well in college
C) predict that students who have several siblings will have higher GPAs
D) predict that students who have no siblings will have higher GPAs

Question

Quizplus · Accepted Answer

The correlation coefficient of .86 indicates a strong positive relationship between the number of siblings and college GPA. Therefore, we can predict that students who have several siblings will have higher GPAs. However, the correlation does not necessarily provide causal evidence for why students who are only children may perform differently in college, and it does not support an explanation for why students who are the only child do poorly or well in college.

If the Correlation Between the Number of Siblings One Has