Table 3 ANOVA for the model developed to relate ethanol yield to the operational parameters in the pretreatment step
Source | Degrees of freedom | Sum of squares | Mean square |
|---|---|---|---|
Total | 18 | 48,853.0 | 2714.1 |
Mean | 1 | 47,535.0 | 47,535.0 |
Corrected | 17 | 1318.6 | 77.6 |
Factor effects | 10 | 999.1 | 99.9 |
Residuals | 8 | 319.5 | 39.9 |
Lack of fit | 4 | 183.5 | 45.9 |
Purely experimental uncertainty | 3 | 136.0 | 45.3 |