Table 7 Significant difference in the effects of coco wood samples during water tangential swelling analysis using one-tailed T-test
Time, min | Samples [A] and [B] | Samples [A] and [C] | Samples [B] and [C] | ||||||
|---|---|---|---|---|---|---|---|---|---|
Computed t-value | Degrees of Freedom, df | Critical t-value (1% α) | Computed t-value | Degrees of Freedom, df | Critical t-value (1% α) | Computed t-value | Degrees of Freedom, df | Critical t-value (1% α) | |
30 | 1.16 | 4 | 3.75 | 0.61 | 4 | 3.75 | 0.75 | 4 | 3.75 |
60 | 2.30 | 3.75 | 0.83 | 3.75 | 1.02 | 3.75 | |||
120 | 3.40 | 3.75 | 1.02 | 3.75 | 1.27 | 3.75 | |||