Study on the Preparation of Biohydrocarbon Fuel by Catalytic Hydrogenation of Swida wilsoniana Pyrolysis Products

Table 5

Variables and levels used in RSM design.

Source	SS	Df	MS	F value	value	Significance
Model	324.30	9	36.03	85.03	<0.0001
A	38.19	1	38.19	90.13	<0.0001
B	3.93	1	3.93	9.28	0.0187
C	4.52	1	4.52	10.65	0.0138
AB	0.090	1	0.090	0.21	0.6589
AC	4.80	1	4.80	11.32	0.0120
BC	6.23	1	6.23	14.69	0.0064
A^2	102.18	1	102.18	241.14	<0.0001
B^2	49.93	1	49.93	117.84	<0.0001
C^2	87.12	1	87.12	205.60	<0.0001
Residual	2.97	7	0.42
Lake of fit	0.80	3	0.27	0.49	0.7062
Pure error	2.17	4	0.54
Correlation total	327.26	16
R-squared = 0.9909; adj R-squared = 0.9793; pred R-squared = 0.9505

Note: is a very significant level , is a highly significant level , is a significant level .