Table 6 Results of the variance analysis of regression model for MCAEC hydrolysis
Source | df | Sum of squares | Mean square | F-value | Prob > F |
|---|---|---|---|---|---|
Model | 9 | 1468.06 | 163.12 | 55.16 | < 0.0001** |
X5 | 1 | 302.70 | 307.70 | 102.37 | < 0.0001** |
X6 | 1 | 104.40 | 104.40 | 35.31 | 0.0006** |
X7 | 1 | 396.35 | 396.35 | 134.04 | < 0.0001** |
X5 X6 | 1 | 4.20 | 4.20 | 1.42 | 0.2720 |
X5 X7 | 1 | 11.87 | 11.87 | 4.01 | 0.0852 |
X6 X7 | 1 | 5.29 | 5.29 | 1.79 | 0.2229 |
X52 | 1 | 143.66 | 143.66 | 48.58 | < 0.0001** |
X62 | 1 | 175.92 | 175.92 | 59.49 | < 0.0001** |
X72 | 1 | 257.24 | 257.24 | 86.99 | < 0.0001** |
Residual | 7 | 20.70 | 2.96 | ||
Lack of fit | 3 | 0.71 | 0.24 | 0.047 | 0.9844 |
Pure error | 4 | 19.99 | 5.00 | ||
Cor total | 16 | 1488.75 | R2 = 0.9861 |