Question
The data in the table is the number of absences for 77 students and their corresponding...
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 |
Construct the 99% confidence interval for the slope. Round your answers to three decimal places.
lower endpoint=
upper endpoint =
Homework Answers
Answer #1
For the given data using REGRESSION in Excel we get output as
| SUMMARY OUTPUT | ||||||
| Regression Statistics | ||||||
| Multiple R | 0.915277826 | |||||
| R Square | 0.837733499 | |||||
| Adjusted R Square | 0.805280199 | |||||
| Standard Error | 0.272868362 | |||||
| Observations | 7 | |||||
| ANOVA | ||||||
| df | SS | MS | F | Significance F | ||
| Regression | 1 | 1.922 | 1.922 | 25.81351 | 0.003832172 | |
| Residual | 5 | 0.372285714 | 0.074457 | |||
| Total | 6 | 2.294285714 | ||||
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | |
| Intercept | 4.578571429 | 0.322037518 | 14.21751 | 3.1E-05 | 3.750747634 | 5.406395223 |
| Number of Absences | -0.31 | 0.061015221 | -5.0807 | 0.003832 | -0.466844618 | -0.15315538 |
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The data in the table is the number of absences for 7 students
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The data in the table is the number of absences for 7 students and their corresponding...
The data in the table is the number of absences for 7 students
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The data in the table is the number of absences for 7 students and their corresponding...
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and their corresponding grade
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USING EXCEL-------USING EXCEL-------------USING
EXCEL
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