The following data gives the number of hours7 students spent studying and their corresponding grades on their midterm exams.

Hours Spent Studying 0.5 1 1.5 2 2.5 4 5.5

Midterm Grades 60 66 75 78 84 87 90

Step1of3:Calculate the correlation coefficient,r. Round your answer to six decimal places.

Step 2 of 3: Determine if r is statistically significant at the 0.01 level.

Step 3 of 3: Calculate the coefficient of determination r2.

Estimate the correlation in words: positive, negative, no correlation.