The data in the table is the number of absences for 77 students and their corresponding grade.
Number of Absences | 2 | 4 | 4 | 5 | 6 | 7 | 7 |
---|---|---|---|---|---|---|---|
Grade | 3.7 | 3.5 | 3.4 | 3.2 | 3 | 2.4 | 2 |
Step 3 of 5 :
Calculate the estimated variance of slope, s^2 b1. Round your answer to three decimal places.
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