| Treatment | Mean | Std. Deviation | Std. Error |
| 1.00 | 257.22 | 47.63 | 12.30 |
| 2.00 | 270.57 | 38.33 | 9.90 |
| 3.00 | 254.81 | 40.40 | 10.43 |
| 4.00 | 234.63 | 57.30 | 14.79 |
| 5.00 | 238.71 | 37.38 | 9.99 |