Table 9.
Analysis of variance model
| Source | d.f. | Sum of squares | Mean square | F value | Pr>F |
| Model | 3 | 12470 | 4156.58668 | 36.02 | <0.0001 |
| Error | 42 | 4846.26077 | 115.38716 | ||
| Corrected total | 45 | 17316 |
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