Solution for QID #80874: The following table gives the average number of hours7 7j | StudyHelpMe

The following table gives the average number of hours 7 7 junior high students were left unsupervised each day and their corresponding overall grade averages. Hours Unsupervised: 0.5,1,2,3,3.5,5.5,6 Overall Grades: 92,88,84,80,76,64,60   Step 1 of 3: 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. Round your answer to three decimal places.