| Iron_pollution | ||||
| Duncan | ||||
| Identifiers | N | Subset for alpha = 0.05 | ||
| 1 | 2 | 3 | ||
| Ethiope River | 72 | 0.0233 |
|
|
| Warri River | 72 |
| 0.8608 |
|
| River Ase | 72 |
|
| 3.6017 |
| Sig. |
| 1.000 | 1.000 | 1.000 |