Table 5.
ANOVA for the fitted quadratic polynomial model of neutral xylanase activity.
| Source | Sun of squares | df | Mean square | F | P |
|---|---|---|---|---|---|
| Model | 2.13E+08 | 19 | 1.12E+07 | 99.29 | < 0.0001 |
| Linear mixed model | 6.07E+07 | 4 | 1.52E+07 | 134.06 | < 0.0001 |
| X1X3 | 9.36E+06 | 1 | 9.36E+06 | 82.7 | < 0.0001 |
| X1X4 | 5.03E+07 | 1 | 5.03E+07 | 444.23 | < 0.0001 |
| X1X5 | 2.73E+05 | 1 | 2.73E+05 | 2.41 | 0.1278 |
| X2X3 | 3.77E+05 | 1 | 3.77E+05 | 3.33 | 0.075 |
| X2X4 | 1.27E+07 | 1 | 1.27E+07 | 112.21 | < 0.0001 |
| X2X5 | 2.11E+07 | 1 | 2.11E+07 | 186.77 | < 0.0001 |
| X3X4 | 2.99E+06 | 1 | 2.99E+06 | 26.46 | < 0.0001 |
| X3X5 | 2.90E+06 | 1 | 2.90E+06 | 25.63 | < 0.0001 |
| X4X5 | 7.30E+06 | 1 | 7.30E+06 | 64.49 | < 0.0001 |
| X1 2X2X3 | 4.94E+06 | 1 | 4.94E+06 | 43.64 | < 0.0001 |
| X1 2X2X4 | 2.95E+06 | 1 | 2.95E+06 | 26.07 | < 0.0001 |
| X1 2X2X5 | 7.34E+06 | 1 | 7.34E+06 | 64.85 | < 0.0001 |
| X1 2X3X4 | 2.89E+06 | 1 | 2.89E+06 | 25.54 | < 0.0001 |
| X1X2 2X3 | 67375.87 | 1 | 67375.87 | 0.6 | 0.4445 |
| Residual | 4.87E+06 | 43 | 1.13E+05 | ||
| Lack of fit | 2.36E+05 | 1 | 2.36E+05 | 2.14 | 0.1507 |
| Pure error | 4.63E+06 | 42 | 1.10E+05 | ||
| Cor total | 2.18E+08 | 62 |