Journal of Chemistry / 2013 / Article / Tab 3 / Research Article
Optimization of Synthesis of Seleno-Sargassum fusiforme (Harv.) Setch. Polysaccharide by Response Surface Methodology, Its Characterization, and Antioxidant Activity Table 3 Analysis of variance of regression model.
Parameter Sum of squares Df Mean square Standard error
value
valueIntercept — 1 — 0.021 — —
0.12 1 0.12 0.017 52.82 0.0002**
0.30 1 0.30 0.017 136.66 <0.0001**
0.077 1 0.077 0.017 35.19 0.0006**
0.093 1 0.093 0.023 42.25 0.0003**
0.010 1 0.010 0.023 4.74 0.0659
0.036 1 0.036 0.023 16.45 0.0048**
0.32 1 0.32 0.023 147.66 <0.0001**
0.58 1 0.58 0.023 266.10 <0.0001**
1
0.023 3.49 0.1038 Model 1.62 9 0.18 — 81.77 <0.0001** Residual 0.015 7
— Lack of fit 0.012 3
— 4.76 0.0829 Pure error
4
Cor total 1.63 16
= 0.9906, adjusted
= 0.9785, C.V. = 0.0162,
,
.