Sum of squares Degree of freedom Mean square Value F Value P
Model 800.52 9 88.95 7108.43 < 0.0001
X1-Xylan 30.56 1 30.56 2442.46 < 0.0001
X2-Mixed Tmie 16.99 1 16.99 1357.69 < 0.0001
X3-MgCO3 25.69 1 25.69 2053.01 < 0.0001
X1X2 1.05 1 1.05 84.25 < 0.0001
X1X2 4.24 1 4.24 338.46 < 0.0001
X2X3 3.32 1 3.32 265.26 < 0.0001
X12 105.20 1 105.20 8407.34 < 0.0001
X22 206.45 1 206.45 16498.99 < 0.0001
X32 336.27 1 336.27 26874.10 < 0.0001
Residue 0.088 7 0.013
Lack of fit 0.049 3 0.016 1.71 0.3021
Pure error 0.038 4 9.594E-003
Sum 800.61 16