Question: The following data was collected which yielded the regression equation: (see the printout) A regression model relating plane travelling. Given X, number of fuel consumed
- The following data was collected which yielded the regression equation: (see the printout)
A regression model relating plane travelling. Given X, number of fuel consumed (in gallon) and Y, flying time (1,000 mile) has been developed.
| Given data | |||||||
| Flying Time (y) | 27.9 | 25.2 | 23.8 | 23.4 | 23.4 | 22.2 | 22 |
| Fuel Consumed (x) | 276.5 | 251.2 | 235.1 | 248.8 | 249.4 | 242 | 239.8 |
The computer output from a regression analysis of the data follows. Please fill in the blank and answer the following questions (a-d).
| SUMMARY OUTPUT | ||||||||
| Regression Statistics | ||||||||
| Multiple R | 0.877 | ANOVA | ||||||
| R Square | ________ |
| df | SS | MS | F | Significance F | |
| Adjusted R Square | ________ | Regression | 1 | 18.937 | 18.937 | ______ | 0.010 | |
| Standard Error | ________ | Residual | _________ | 5.712 | ______ | |||
| Observations | ________ | Total | 6 | 24.649 |
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| Coefficients | Standard Error | t Stat | P-value | Lower 95% | Upper 95% | Lower 95.0% | Upper 95.0% |
| Intercept | -8.859 | 8.077 | -1.097 | 0.323 | _________ | 11.904 | -29.621 | _________ |
| Fuel Consumed (x) | 0.132 | 0.032 | 4.071 | 0.010 | _________ | 0.215 | 0.049 | _________ |
| Write the estimated regression equation
| What is the number of observations
|
| Predict the flying time when the plane consumed 270 Gallons of gas
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