Suppose a researcher found a strong negative correlation between college students’ grade point average (GPA) and the amount of alcohol they drink. Which of the following is the best conclusion from...

Suppose a researcher found a strong negative correlation between college students’ grade point average (GPA) and the amount of alcohol they drink. Which of the following is the best conclusion from this study?

a. Students with a high GPA study more and thus have less time to drink.

 b. Drinking a lot interferes with studying.

c. If you know how much alcohol a student drinks, you can predict his or her GPA fairly well.

 d. People who are intelligent get higher grades and drink less.