Regression results from baseline MIP solutions predicting number of tankers required (NTkrs)
| F-statistic (p-value) | Adjusted R2 | Standard error | β0 (p-value) | Predictor | β-value | t-statistic | p-value |
|---|---|---|---|---|---|---|---|
| 16.81 (<0.001) | 0.785 | 15.76a | 11.111 (0.047) | FlightTime | 23.667 | 6.372 | <0.001 |
| Fuel * FlightTime | −19.750 | −4.342 | <0.001 | ||||
| Fuel | −15.611 | −4.203 | <0.001 | ||||
| Demand | 11.278 | 3.037 | 0.007 | ||||
| FlightTime * FlightTime | 17.889 | 2.781 | 0.012 | ||||
| FlightTime * Demand | 11.833 | 2.601 | 0.017 |
| Adjusted | Standard error | Predictor | |||||
|---|---|---|---|---|---|---|---|
| 16.81 (<0.001) | 0.785 | 15.76a | 11.111 (0.047) | 23.667 | 6.372 | ||
| −19.750 | −4.342 | ||||||
| −15.611 | −4.203 | ||||||
| 11.278 | 3.037 | ||||||
| 17.889 | 2.781 | ||||||
| 11.833 | 2.601 |
Note(s): Regressors (β values) based on coded (−1, 0, +1) variables; Shapiro–Wilk test failed to detect non-normality of residuals (aW = 0.946, p-value = 0.168)