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ANOVA table for the durability index. Source: Authors.
| Source | Sum of squares | Mean square | F-Ratio | P-Value |
|---|---|---|---|---|
| CT | 6.02002 | 6.02002 | 3.57 | 0.0630 |
| W | 47.4703 | 47.4703 | 28.15 | 0.0000 |
| FL | 57.9083 | 57.9083 | 34.34 | 0.0000 |
| CT2 | 0.464006 | 0.464006 | 0.28 | 0.6016 |
| CT∗W | 9.0601 | 9.0601 | 5.37 | 0.0234 |
| CT∗FL | 7.943 | 7.943 | 4.71 | 0.0334 |
| W2 | 6.66125 | 6.66125 | 3.95 | 0.0508 |
| W∗FL | 27.1094 | 27.1094 | 16.08 | 0.0002 |
| FL2 | 34.1689 | 34.1689 | 20.26 | 0.0000 |
| Total Error | 116.362 | 1.68641 | ||
| Total corr. | 336.819 |
