Question: Study the three predictor variables below and attempt to determine whether substantial multicollinearity is present among the predictor variables. If there is a problem of
Study the three predictor variables below and attempt to determine whether substantial multicollinearity is present among the predictor variables. If there is a problem of multicollinearity, how might it affect the outcome of the multiple regression analysis?
| Residential Electricity (kWh) | Residential Natural Gas (1000 ft3) | Residential Fuel Oil (gal) | Leaded Regular Gasoline (gal) |
| 2.54 | 1.29 | .21 | .39 |
| 3.51 | 1.71 | .31 | .57 |
| 4.64 | 2.98 | .44 | .86 |
| 5.36 | 3.68 | .61 | 1.19 |
| 6.20 | 4.29 | .76 | 1.31 |
| 6.86 | 5.17 | .68 | 1.22 |
| 7.18 | 6.06 | .65 | 1.16 |
| 7.54 | 6.12 | .69 | 1.13 |
| 7.79 | 6.12 | .61 | 1.12 |
| 7.41 | 5.83 | .34 | .86 |
| 7.41 | 5.54 | .42 | .90 |
| 7.49 | 4.49 | .33 | .90 |
(Round answers to 3 decimal places.)
Correlation between natural gas and fuel oil equals
.
Correlation between natural gas and gasoline equals
.
Correlation between gasoline and fuel oil equals
.
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