Line | Experiment 1 | Experiment 2 | Both experiments | |||
---|---|---|---|---|---|---|
Number | Mean ± SD | Number | Mean ± SD | Number | Mean ± SD | |
N | 56 | 2.21 ± 0.74 | 60 | 2.86 ± 0.43 | 116 | 2.55 ± 0.68 |
6l | 57 | 3.41 ± 1.61 | 55 | 3.35 ± 0.84 | 112 | 3.38 ± 1.29 |
P-value |  | 2.03e−06 |  | 2.12e−04 |  | 3.45e−09 |