Homework Answers
Using Exce, go to Data, selecy Data Analysis, choose Regression.
| SUMMARY OUTPUT | ||||||
| Regression Statistics | ||||||
| Multiple R | 0.9371 | |||||
| R Square | 0.8782 | |||||
| Adjusted R Square | 0.8579 | |||||
| Standard Error | 1.7096 | |||||
| Observations | 8 | |||||
| ANOVA | ||||||
| df | SS | MS | F | Significance F | ||
| Regression | 1 | 126.4631 | 126.4631 | 43.2676 | 0.0006 | |
| Residual | 6 | 17.5369 | 2.9228 | |||
| Total | 7 | 144.0000 | ||||
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | |
| Intercept | 10.3087 | 1.8773 | 5.4911 | 0.0015 | 5.7151 | 14.9024 |
| x | 1.3173 | 0.2003 | 6.5778 | 0.0006 | 0.8273 | 1.8074 |
95% confidence interval for β1:
0.8273 < β1 < 1.8074 (Option 3)
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