The following data gives the number of hours 10 students spent studying and their corresponding grades on their midterm exams.
Hours Spent Studying
0
0.5
1.5
2
2.5
3
3.5
4
4.5
5.5
Midterm Grades
63
66
69
75
78
81
84
87
90
96
Estimate the correlation in words, positive, negative, no correlation.
(a) Positive
(b) Negative
(c) No correlation