Table 3 The main effective analysis of variance (ANOVA) of RSM data
Source | Sum of squares | DF | Mean square | F value | P value |
|---|---|---|---|---|---|
Model | 31248.93 | 9 | 3472.10 | 14.59 | 0.0009** |
X1 | 459.44 | 1 | 459.44 | 1.93 | 0.2073 |
X2 | 50.73 | 1 | 50.73 | 0.21 | 0.6583 |
X3 | 45.77 | 1 | 45.77 | 0.19 | 0.6742 |
X1 X2 | 9.08 | 1 | 9.08 | 0.04 | 0.8507 |
X1 X3 | 3.56 | 1 | 3.56 | 0.01 | 0.9062 |
X2 X3 | 108.99 | 1 | 108.99 | 0.46 | 0.5203 |
X1 2 | 687.33 | 1 | 687.33 | 2.89 | 0.1331 |
X2 2 | 18494.31 | 1 | 18494.31 | 77.70 | <0.0001** |
X3 2 | 9095.86 | 1 | 9095.86 | 38.21 | 0.0005** |
Residual | 1666.17 | 7 | 238.02 | ||
Lack of fit | 1545.40 | 3 | 515.13 | 17.06 | 0.96 |
Pure error | 120.77 | 4 | 30.19 | ||
Total | 32915.09 | 16 | |||
R 2 | 0.9494 |