question archive 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
Subject:StatisticsPrice: Bought3
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.