The following data gives the number of hours10 students spent studying and their corresponding grades on their midterm exams.

Hours Spent Studying 0 1.5 2.5 3 3.5 4 4.5 5 5.5 6

Midterm Grades 63 66 69 78 81 84 87 90 93 99

1 of 2: Estimate the correlation in words: positive, negative, no correlation.

2 of 2: Calculate the correlation coefficient,r. Round your answer to three decimal places.