Question: Run a multiple linear regression using revenue as the dependent variable and all variables in the X2 variables file as the independent variables. Report the
- Run a multiple linear regression using revenue as the dependent variable and all variables in the X2 variables file as the independent variables. Report the regression line.
- Perform a global F test to determine if the model is valid at the 5% significant level.
- Interpret the coefficient for Interest rate.
| SUMMARY OUTPUT | ||||||||
| Regression Statistics | ||||||||
| Multiple R | 0.9332593 | |||||||
| R Square | 0.87097292 | |||||||
| Adjusted R Square | 0.86732121 | |||||||
| Standard Error | 293.770445 | |||||||
| Observations | 110 | |||||||
| ANOVA | ||||||||
| df | SS | MS | F | Significance F | ||||
| Regression | 3 | 61751263.1 | 20583754.4 | 238.510986 | 5.6798E-47 | |||
| Residual | 106 | 9147913.89 | 86301.0745 | |||||
| Total | 109 | 70899177 | ||||||
| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | Lower 95.0% | Upper 95.0% | |
| Intercept | -1915.7308 | 1534.15176 | -1.2487231 | 0.21451719 | -4957.3358 | 1125.87431 | -4957.3358 | 1125.87431 |
| Disposable income | 0.35718398 | 0.0215341 | 16.5868998 | 3.1777E-31 | 0.31449053 | 0.39987744 | 0.31449053 | 0.39987744 |
| Interest rate | -21.48738 | 24.5506279 | -0.8752273 | 0.38342913 | -70.161387 | 27.1866278 | -70.161387 | 27.1866278 |
| Employment | -1.5275539 | 21.9825184 | -0.0694895 | 0.94473092 | -45.110035 | 42.0549268 | -45.110035 | 42.0549268 |
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