Optimization Study in Biodiesel Production via Response Surface Methodology Using Dolomite as a Heterogeneous Catalyst

Table 4

Statistical analysis of variance (ANOVA) for the regression model terms in the production of methyl esters; = 8.73.

Model term	Sum of squares	Mean of squares	value	value
	3.600	3.600	20.769	0.0449
	0.00	0.00	0.000	1.0000
	51.529	51.529	297.282	0.0033
	28.299	28.299	163.266	0.0060
	6.241	6.241	36.005	0.0266
	1.507	1.507	8.694	0.0983
TL by RL	0.005	0.005	0.028	0.880
TL by CL	5.780	5.780	33.346	0.028
RL by CL	15.125	15.125	87.2596	0.0112
Pure error	0.3467	0.17333
-squared; 0.9130