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Table 4 ANOVA for current density of oxidation reaction of glycerol

From: Enhanced performance of a novel anodic PdAu/VGCNF catalyst for electro-oxidation in a glycerol fuel cell

Source Sum of squares DOF Mean square F value Probability > F
Model 38,727.25 9 4303.03 77.52 < 0.0001a
X1: NaOH concentration 1579.95 1 1579.95 28.46 0.0003
X2: Temperature 6558.19 1 6558.19 118.14 < 0.0001
X3: Catalyst Loading 1073.79 1 1073.79 19.34 0.0013
X1 2 416.27 1 416.27 7.50 0.0209
X2 2 12,479.20 1 12,479.20 224.80 < 0.0001
X3 2 19,128.37 1 19,128.37 344.59 < 0.0001
X1X2 663.94 1 663.94 11.96 0.0061
X1X3 4.84 1 4.84 0.087 0.7739
X2X3 18.18 1 18.18 0.33 0.5798
Residual 555.11 10 55.51   
Lack of fit 439.61 5 87.92 3.81 0.0844b
Pure Error 115.50 5 23.10   
Cor Total 39,282.36 19    
R 2 0.9859     
Adj R 2 0.9732     
Pred R 2 0.9089     
  1. aSignificant, bNot significant