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ANOVA analysis of surface roughness of PLA samples.
| Source | DF | Adj SS | Adj MS | F | P | Remarks |
|---|---|---|---|---|---|---|
| Build Orientation | 1 | 5.882 | 5.882 | 3.25 | 0.097 | Not Significant |
| Ultrasonic Frequency | 2 | 27.591 | 13.796 | 7.62 | 0.007 | Significant |
| 2-way Interaction | 2 | 12.753 | 6.377 | 3.52 | 0.063 | Not Significant |
| Error | 12 | 21.725 | 1.81 | |||
| Total | 17 | 67.951 | S = 1.3455 | R2 = 68.03% | R2adj = 54.71% | R2pred = 28.07% |
