Table 5 ANOVA for quadratic model.
Source | Sum of Squares | df | Mean Square | F-value | p-value | |
|---|---|---|---|---|---|---|
Model | 4.774E + 07 | 9 | 5.304E + 06 | 1161.93 | < 0.0001 | significant |
A-pH | 3.264E + 06 | 1 | 3.264E + 06 | 715.13 | < 0.0001 | |
B-H2O2 | 3.177E + 07 | 1 | 3.177E + 07 | 6960.72 | < 0.0001 | |
C- Fe2+ | 1.848E + 06 | 1 | 1.848E + 06 | 404.76 | < 0.0001 | |
AB | 4.965E + 05 | 1 | 4.965E + 05 | 108.77 | < 0.0001 | |
AC | 21808.43 | 1 | 21808.43 | 4.78 | 0.0363 | |
BC | 71324.39 | 1 | 71324.39 | 15.62 | 0.0004 | |
A² | 219.50 | 1 | 219.50 | 0.0481 | 0.8278 | |
B² | 3.373E + 06 | 1 | 3.373E + 06 | 738.86 | < 0.0001 | |
C² | 2.014E + 05 | 1 | 2.014E + 05 | 44.11 | < 0.0001 | |
Residual | 1.461E + 05 | 32 | 4564.83 | |||
Lack of Fit | 1.452E + 05 | 3 | 48396.55 | 1585.88 | < 0.0001 | Not significant |
Pure Error | 885.00 | 29 | 30.52 | |||
Cor Total | 4.788E + 07 | 41 |
