Open Access

Table 6

Analysis of variance for machined depth.

Source Sum of squares df Mean square F-Value P-Value  
Model 2.05 5 0.4105 23.10 0.0003 Significant
A-Voltage 0.9387 1 0.9387 52.82 0.0002  
B-Electrolyte 0.1808 1 0.1808 10.17 0.0153  
AB 0.0056 1 0.0056 0.3165 0.5913  
A2 0.0337 1 0.0337 1.90 0.2108  
B2 0.3630 1 0.3630 20.43 0.0027  
Residual 0.1244 7 0.0178      
Lack of Fit 0.0324 3 0.0108 0.4695 0.7197 Not significant
Pure Error 0.0920 4 0.0230      
Cor Total 2.18 12        

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