The data in the table is the number of absences for 7 students and their corresponding grade.
Number of Absences | 3 | 4 | 4 | 6 | 6 | 7 | 8 |
---|---|---|---|---|---|---|---|
Grade | 3.9 | 3.8 | 3.2 | 3 | 2.8 | 2.8 |
2.5 |
Step 5 of 5: Construct the 95% confidence interval for the slope. Round your answers to three decimal places.
The statistical software output for this problem is:
On the basis of above output, 95% confidence interval will be:
Lower limit = -0.396
Upper limit = -0.144
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