Results for a two-tailed paired-sample t-test for roots buried 200 mm deep in Experiment 1.
| Scan | Axis | Mean difference (mm) | SE mean | T-value | P-value |
|---|---|---|---|---|---|
| 1 | x | −156.11 | 32.57 | −4.79 | 0.001 |
| y | 8.00 | 7.93 | 1.01 | 0.343 | |
| 2 | x | −21.67 | 35.21 | −0.62 | 0.550 |
| y | 23.22 | 5.10 | 4.55 | 0.002 | |
| 3 | x | 13.89 | 38.48 | 0.36 | 0.728 |
| y | 31.22 | 3.40 | 9.19 | <0.001 | |
| Average | x | −54.63 | 33.79 | −1.62 | 0.145 |
| y | 20.81 | 5.03 | 4.13 | 0.003 |