Table 4.
Analysis of variance (ANOVA) for MRR, SR and microhardness.
| ANOVA for MRR | |||||
| Source | SS | MS | F | P | Significance |
| Ton | 0.001149 | 0.001149 | 1.07 | 0.328 | - |
| Toff | 0.275425 | 0.275425 | 256.99 | 0.000 | Significant |
| Current | 0.298345 | 0.298345 | 278.37 | 0.000 | Significant |
| R–Sq = 98.41 %, R–Sq (Adj) = 97.53% | |||||
| ANOVA for SR | |||||
| Source | SS | MS | F | P | Significance |
| Ton | 0.11424 | 0.11424 | 2.51 | 0.157 | - |
| Toff | 0.94875 | 0.94875 | 20.85 | 0.003 | Significant |
| Current | 0.08020 | 0.08020 | 1.76 | 0.226 | - |
| R–Sq = 91.71 %, R–Sq (Adj) = 83.41% | |||||
| ANOVA for MH | |||||
| Source | SS | MS | F | P | Significance |
| Ton | 739.2 | 739.2 | 3.14 | 0.120 | - |
| Toff | 329.0 | 329.0 | 1.40 | 0.276 | - |
| Current | 2842.6 | 2842.6 | 12.07 | 0.010 | Significant |
| R–Sq = 85.52 %, R–Sq (Adj) = 71.03% | |||||