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Table 5

ANOVA for surface roughness.

Source DOF Adj SS Adj MS F-value P-value
Regression 13 0.195271 0.015021 19.08 0.000
Ton 1 0.072601 0.072601 76.21 0.000
Toff 1 0.065727 0.065727 51.39 0.000
Aon 1 0.050061 0.050061 34.75 0.005
Aoff 1 0.001128 0.001128 1.43 0.098*
Sv 1 0.021719 0.021719 15.34 0.018
Wt 1 0.007361 0.007361 4.14 0.038
Sc 1 0.030209 0.030209 11.58 0.021
1 0.041601 0.041601 32.11 0.011
1 0.033448 0.033448 23.17 0.034
1 0.026200 0.026200 3.15 0.042
1 0.012687 0.012687 6.98 0.011
1 0.003200 0.003200 0.98 0.247*
1 0.000694 0.000694 0.12 0.085*
Error 4      
Total 17    
Model summary
S R2 R2(adj) R2(pred)  
0.028054 98.41% 92.26% 86.87%

*Insignificant factors (P-value >0.05).

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