question archive The following table gives the average number of hours 7 junior high students were left unsupervised each day and their corresponding overall grade averages
The following table gives the average number of hours 7 junior high students were left unsupervised each day and their corresponding overall grade averages
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The following table gives the average number of hours 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: Determine if r is statistically significant at the 0.01 level. Step 3: Calculate the coefficient of determination, r2. Round your answer to three decimal places.
