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.

SourcedfSSMS-ratio value

AdaraModel9226.5025.1722.46<0.0001
Residual1011.211.12
Total19237.70
= 0.952 = 0.910

EmperadorModel9240.5126.7216.35<0.0001
Residual1016.341.63
Total19256.85
= 0.936 = 0.879

Crema NeraModel9361.5940.1824.21<0.0001
Residual1016.591.66
Total19378.19
= 0.956 = 0.916

Sand WaveModel9118.9313.2165.39<0.0001
Residual102.020.2
Total19120.95
= 0.983 = 0.968

df: degrees of freedom, SS: sum of squares, and MS: mean square.