Open Access
Table 5
ANOVA for UTS.
| Source | SS | DOF | MS | F-Value | P-Value | Remark |
|---|---|---|---|---|---|---|
| Model | 15929.45 | 7 | 2275.63 | 375.20 | <0.0001 | Significant |
| A:Rotational speed | 3628.98 | 1 | 3628.98 | 598.34 | <0.0001 | |
| B:Welding speed | 309.49 | 1 | 309.49 | 51.02 | <0.0001 | |
| C:Plunge Depth | 744.80 | 1 | 744.80 | 122.80 | <0.0001 | |
| AC | 4711.56 | 1 | 4711.56 | 776.83 | <0.0001 | |
| A2 | 1135.10 | 1 | 1135.10 | 187.15 | <0.0001 | |
| B2 | 5082.34 | 1 | 5082.34 | 837.97 | <0.0001 | |
| C2 | 303.46 | 1 | 303.46 | 50.03 | <0.0001 | |
| Residual | 72.78 | 12 | 6.06 | |||
| Lack of Fit | 44.59 | 7 | 6.37 | 1.13 | 0.4624 | |
| Pure Error | 28.18 | 5 | 5.63 | |||
| Cor Total | 16002.23 | 19 |
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