| – | Sequential | Lack of Fit | Adjusted | Predicted | Remark |
|---|---|---|---|---|---|
| Source | p-value | p-value | R-Squarred | R-Squarred | – |
| Linear | 0.4424 | 0.0080 | -0.0044 | -0.2649 | – |
| 2FI | 0.8542 | 0.0050 | -0.1657 | -0.3316 | – |
| Quadratic | <0.0001 | 0.4447 | 0.8681 | 0.6936 | Suggested |
| Cubic | 0.3231 | 0.5308 | 0.8930 | 0.1387 | Aliased |