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Table III
t-statistics for model (1).
| Parameter | α | β | γ |
|---|---|---|---|
| Spruce | |||
| Standard coefficient tolerance | 1.28 | –4.33 | |
| Corresponding probability | 0.20 | 0.0000 | |
| Parameter value | 9.0145 | 0.647461 | –0.3801 |
| N | 88 | ||
| R 2 | 0.940 | ||
| Beech | |||
| Standard coefficient tolerance | –0.38 | 5.67 | |
| Corresponding probability | 0.703 | 0.0000 | |
| Parameter value | 9.9648 | –0.1006 | –0.2731 |
| N | 44 | ||
| R 2 | 0.988 | ||