Research Article
Application of Central Composite Design in the Adsorption of Ca(II) on Metakaolin Zeolite
Table 4
Results for ANOVA for the model.
| Source | Sum of squares | DF | Mean square | -value | |
| Model | 13.4078 | 6 | 2.23463 | 203.981 | <0.0001 | Residual | 0.219102 | 20 | 0.010955 | | | Lack of fit | 0.21761 | 15 | 0.014507 | 48.6273 | 0.0002 | Pure error | 0.001492 | 5 | 0.000298 | | | Cor. total | 13.6269 | 26 | | | |
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