| Regression equation | ||||||
| Pipe index = 0.6775 + 0.0924892 | Pipe age + 0.000950407 | Pipe depth | ||||
| Coefficients | ||||||
| Term | Coef | SE Coef | T | P | ||
| Constant | 0.677500 | 0.145722 | 4.6493 | 0.000 | ||
| pipe age | 0.092489 | 0.002918 | 31.6969 | 0.000 | ||
| pipe depth | 0.000950 | 0.000833 | 1.1406 | 0.256 | ||
| Summary of model | ||||||
| S = 0.429708 | R-Sq = 86.95% | R-Sq(adj) = 86.78% | ||||
| PRESS = 29.1550 | R-Sq(pred) = 86.44% |
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