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Table VI
t-statistics for model (4 a and b).
| Parameter | α | β | γ | |
|---|---|---|---|---|
| Spruce | ||||
| Standard coefficient tolerance | 15.15 | 1.92 | ||
| Corresponding probability | 0.0000 | 0.0507 | ||
| Parameter value | –8.1995 | 11.9895 | 0.003572 | |
| N | 317 | |||
| R 2 | 0.436 | |||
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| Beech | ||||
| Standard coefficient tolerance | 22.58 | –13.90 | ||
| Corresponding probability | 0.0000 | 0.0000 | ||
| Parameter value | –13.1349 | 14.9313 | –0.005849 | |
| N | 621 | |||
| R 2 | 0.510 | |||