Table 2 Statistical effects of pith removal
From: Measuring the compressive modulus of elasticity of pith-filled plant stems
Mean effect of pith removal (95% confidence interval) | Variation in pith removal (i.e., SD) (%) | n | |
|---|---|---|---|
E overall | − 4.4% (± 1.7%) | 6.3 | 54 |
E local | − 3.8% (± 2.5%) | 8.4 | 47 |