Table 5 Result of computed standard errors
From: Factorial design study of total petroleum contaminated soil treatment using land farming technique
| Powered at 5% level for effect of | ||||||
|---|---|---|---|---|---|---|
| Term | Std erra | VIF | Ri-squared | 0.5 Std dev. | 1 Std dev. | 2 Std dev. |
| A | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| B | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| C | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| D | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| AB | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| AC | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| AD | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| BC | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| BD | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |
| CD | 0.25 | 1.00 | 0.000 | 14.6 | 43.91 | 94.4 |