DrVishnu Has Found That Students Who Score Higher Than 85

Multiple Choice

Dr.Vishnu has found that students who score higher than 85 percent on the first midterm tend to earn scores of 75 percent or better on the final exam,while students who score less than 60 percent on the first midterm often end up with a failing grade on the final exam.What can be said about the relationship between scores

A)  Students who do poorly on the first midterm do not improve. 
B)  Students who do poorly on the first midterm give up and study less for the final. 
C)  Scores on the first midterm and the final exam are positively correlated. 
D)  Scores on the first midterm and the final exam are negatively correlated.