Table 4 ANOVA examination assessing the fit between simulation data and the response surface model.
From: Theoretical insights in catalytic reduction of Cr(VI) using Pd/Fe nitrogen doped mesoporous carbon
Sum of squares | Degrees of freedom | Mean square | F-Value | p-value Prob > F | ||
|---|---|---|---|---|---|---|
Model | 143.40 | 14 | 10.24 | 55.00 | < 0.0001 | Significant |
A-A | 1.23 | 1 | 1.23 | 6.60 | 0.0214 | |
B-B | 127.60 | 1 | 127.60 | 685.13 | < 0.0001 | |
C-C | 7.05 | 1 | 7.05 | 37.83 | < 0.0001 | |
D-D | 0.029 | 1 | 0.029 | 0.15 | 0.7007 | |
AB | 0.46 | 1 | 0.46 | 2.49 | 0.1353 | |
AC | 0.067 | 1 | 0.067 | 0.36 | 0.5573 | |
AD | 0.069 | 1 | 0.069 | 0.37 | 0.5517 | |
BC | 0.42 | 1 | 0.42 | 2.25 | 0.1547 | |
BD | 0.031 | 1 | 0.031 | 0.17 | 0.6872 | |
CD | 0.50 | 1 | 0.50 | 2.69 | 0.1216 | |
A2 | 0.92 | 1 | 0.92 | 4.93 | 0.0423 | |
B2 | 2.06 | 1 | 2.06 | 11.08 | 0.0046 | |
C2 | 2.21 | 1 | 2.21 | 11.86 | 0.0036 | |
D2 | 7.342 × 10−3 | 1 | 7.342 × 10−3 | 0.039 | 0.8453 | |
Residual | 2.79 | 15 | 0.19 | |||
Lack of fit | 2.79 | 10 | 0.28 | |||
Pure error | 0.0000 | 5 | 0.0000 | |||
Cor total | 146.19 | 29 | ||||
R2 | 0.9809 | Adj R2 | 0.9631 | |||
C. V. % | 56.89 | Pred R2 | 0.8899 | |||
Adeq precision | 30.224 |
