| Carrier | ||||||||
|---|---|---|---|---|---|---|---|---|
| N | Mean | Std. Deviation | Std. Error | 95% Confidence Interval for Mean | Minimum | Maximum | ||
| Lower Bound | Upper Bound | |||||||
| 1.00 | 3 | 9.7100 | 1.31465 | .75901 | 6.4442 | 12.9758 | 8.82 | 11.22 |
| 2.00 | 3 | 11.4300 | 10.30217 | 5.94796 | -14.1620 | 37.0220 | .00 | 20.00 |
| 3.00 | 3 | 10.2700 | 3.12232 | 1.80267 | 2.5137 | 18.0263 | 6.67 | 12.24 |
| Total | 9 | 10.4700 | 5.47542 | 1.82514 | 6.2612 | 14.6788 | .00 | 20.00 |