Table 5: ANOVA Analysis for Response Y3 [Lignin recovery (%)].

Source Sum of Squares Degree of Freedom Mean Squares F-values p-value
Prob > F
Model 674.73 9 74.97 9.18 0.0009
A 19.38 1 19.38 2.37 0.0504
B 157.40 1 157.40 19.27 0.0014
C 16.11 1 16.11 1.97 0.1905
AB 30.88 1 30.88 3.78 0.0805
AC 15.90 1 15.90 1.95 0.1932
BC 6.75 1 6.75 0.83 0.3847
A2 20.94 1 20.94 2.56 0.1404
B2 4.17 1 4.17 0.51 0.4912
C2 18.00 1 18.00 2.20 0.1685
Residual 81.67 10 8.17 - -
Lack of Fit 44.35 4 11.09 1.78 0.2508
Pure error 37.32 6 6.22 - -
Total 756.41 19 - - -