Research Article
Application of Response Surface Methodology and Central Composite Inscribed Design for Modeling and Optimization of Marble Surface Quality
Table 5
ANOVA results for glossiness.
| | Source | df | SS | MS | -ratio | value |
| Adara | Model | 9 | 226.50 | 25.17 | 22.46 | <0.0001 | Residual | 10 | 11.21 | 1.12 | | | Total | 19 | 237.70 | | | | = 0.952 | = 0.910 | | | | |
| Emperador | Model | 9 | 240.51 | 26.72 | 16.35 | <0.0001 | Residual | 10 | 16.34 | 1.63 | | | Total | 19 | 256.85 | | | | = 0.936 | = 0.879 | | | | |
| Crema Nera | Model | 9 | 361.59 | 40.18 | 24.21 | <0.0001 | Residual | 10 | 16.59 | 1.66 | | | Total | 19 | 378.19 | | | | = 0.956 | = 0.916 | | | | |
| Sand Wave | Model | 9 | 118.93 | 13.21 | 65.39 | <0.0001 | Residual | 10 | 2.02 | 0.2 | | | Total | 19 | 120.95 | | | | = 0.983 | = 0.968 | | | | |
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df: degrees of freedom, SS: sum of squares, and MS: mean square.
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