Table 6 Significant difference in the effects of coco wood samples during water absorption 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 | 2.58 | 4 | 3.75 | 2.85 | 4 | 3.75 | 0.11 | 4 | 3.75 |
60 | 2.34 | 3.75 | 2.29 | 3.75 | 0.26 | 3.75 | |||
120 | 6.93 | 3.75 | 6.60 | 3.75 | 1.56 | 3.75 | |||