Research Article
Water Absorption Behavior of Teff (Eragrostis tef) Straw Fiber-Reinforced Epoxy Composite: RSM-Based Statistical Modeling and Kinetic Analysis
Table 4
The fit summary of different type of equations.
| Source | Sequential value | Lack of fit value | Adjusted | Predicted |
| Linear | <0.0001 | <0.0001 | 0.9639 | 0.9449 | 2FI | 0.2716 | <0.0001 | 0.9652 | 0.9414 | Quadratic | <0.0001 | 0.0036 | 0.9996 | 0.9983 (suggested) | Cubic | 0.0006 | 0.5228 | 1 | 0.9999 (aliased) |
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