Table 3 ANOVA for the reduced cubic model
Source | Sum of squares | df | Mean square | F-value | p-value |
|---|---|---|---|---|---|
Block | 0.0005 | 2 | 0.0002 | ||
Model | 4.08 | 10 | 0.4082 | 273.32 | < 0.0001 |
A-pH | 0.8111 | 1 | 0.8111 | 543.17 | < 0.0001 |
C-surfactant | 0.2691 | 1 | 0.2691 | 180.2 | < 0.0001 |
AB | 0.1667 | 1 | 0.1667 | 111.65 | < 0.0001 |
AC | 0.8155 | 1 | 0.8155 | 546.12 | < 0.0001 |
BC | 0.0748 | 1 | 0.0748 | 50.1 | < 0.0001 |
A2 | 1.28 | 1 | 1.28 | 856.31 | < 0.0001 |
B2 | 0.1034 | 1 | 0.1034 | 69.26 | < 0.0001 |
C2 | 0.0392 | 1 | 0.0392 | 26.28 | < 0.0001 |
ABC | 0.0309 | 1 | 0.0309 | 20.66 | < 0.0001 |
AB2 | 0.2482 | 1 | 0.2482 | 166.23 | < 0.0001 |
Residual | 0.0702 | 47 | 0.0015 | ||
Lack of Fit | 0.0049 | 32 | 0.0002 | 0.0353 | 1 |
Pure Error | 0.0653 | 15 | 0.0044 | ||
Cor Total | 4.15 | 59 |