| Variable Name | Level Settings
| Optimum Level
| Percent Contribution | ANOVA TEST
|
| Level 1
| Level 2
| Level 3
| | | F-Value
| F(2,15,.90) | Whether Significant ?
|
| 1. To (degree) | 25
| 30 | 35
| 2 | 0.17
| 0.001 | 2.69
| No |
| 2. T_force (N) | 30
| 35 | 40
| 3 | 0.72
| 0.005 | 2.69
| No |
| 3. Cut_Force (N) | 50
| 60 | 70
| 1 | 15.9
| 1.40 | 2.69
| No |
| 4. Rake_ang(deg) | 0
| 2 | 4
| 1 | 0.03
| 0.0002 | 2.69
| No |
| 5. Shearang(deg) | 20
| 30 | 40
| 3 | 14.43
| 1.26 | 2.69
| No |
| 6. C_width(inch) | 0.08
| 0.11 | 0.13
| 1 | 0.66
| 0.005 | 2.69
| No |
| 7. D_cut (inch) | 0.001
| 0.002 | 0.003
| 3 | 67.13
| 15.3 | 2.69
| Yes |