ANOVA Summary table for the bending angle ()
| Analysis of variance | |||||
|---|---|---|---|---|---|
| Source | Sum Sq. | D.F | Mean Sq. | F | Prob > F |
| Number of bellows (N) | 2787.1 | 2 | 1393.5 | 280.7 | 1.2929e-71 |
| Wall thickness (T) | 19564.8 | 2 | 9782.4 | 1970.45 | 8.8359e-183 |
| Pressure (P) | 47329.9 | 2 | 23664.9 | 4766.78 | 4.5252e-242 |
| Number of bellows (N) × wall thickness (T) | 1126.3 | 4 | 281.6 | 56.72 | 2.7473e-36 |
| Number of bellows (N) × pressure (P) | 147.7 | 4 | 36.9 | 7.44 | 9.6175e-6 |
| Wall thickness (T) × pressure (P) | 2078.7 | 4 | 519.7 | 104.68 | 3.0693e-57 |
| Error | 1618.4 | 326 | 5 | ||
| Total | 69613.2 | 344 | |||
| Analysis of variance | |||||
|---|---|---|---|---|---|
| Source | Sum Sq. | D.F | Mean Sq. | Prob > | |
| Number of bellows ( | 2787.1 | 2 | 1393.5 | 280.7 | 1.2929e-71 |
| Wall thickness ( | 19564.8 | 2 | 9782.4 | 1970.45 | 8.8359e-183 |
| Pressure ( | 47329.9 | 2 | 23664.9 | 4766.78 | 4.5252e-242 |
| Number of bellows ( | 1126.3 | 4 | 281.6 | 56.72 | 2.7473e-36 |
| Number of bellows ( | 147.7 | 4 | 36.9 | 7.44 | 9.6175e-6 |
| Wall thickness ( | 2078.7 | 4 | 519.7 | 104.68 | 3.0693e-57 |
| Error | 1618.4 | 326 | 5 | ||
| Total | |||||
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