Table 6. ANOVA table for crystallinity (quadratic model).
Sorce | Sum of Squares | df | Mean square | F Value | P-value Prop>F | |
---|---|---|---|---|---|---|
Model | 1443.45 | 9 | 160.38 | 133.10 | < 0.0001 | Significant |
A-Temp | 104.00 | 1 | 104.00 | 86.32 | < 0.0001 | |
B-Time | 25.22 | 1 | 25.22 | 20.93 | 0.0038 | |
C-pH | 1213.74 | 1 | 1213.74 | 1007.30 | < 0.0001 | |
AB | 0.1418 | 1 | 0.1418 | 0.1177 | 0.7433 | |
AC | 15.34 | 1 | 15.34 | 12.73 | 0.0118 | |
BC | 3.03 | 1 | 3.03 | 2.51 | 0.1639 | |
A2 | 18.35 | 1 | 18.35 | 15.23 | 0.0080 | |
B2 | 0.5330 | 1 | 0.5330 | 0.4424 | 0.5307 | |
C2 | 542.82 | 1 | 542.82 | 450.49 | < 0.0001 | |
Residual | 7.23 | 6 | 1.20 | |||
Lack of Fit | 3.28 | 4 | 0.8212 | 0.4163 | 0.7936 | Not significant |
Pure Error | 3.94 | 2 | 1.97 | |||
Corrected Total | 1450.68 | 15 |
R2 = 0.9877, Predicted R2 = 0.9685, adjusted R2 = 0.9789, adequate precision = 35.64