| Paired Difference | t | df | Sig (2-tailed) | |||||
| Mean | Std Deviation | Std Error Mean | 95% confidence Interval of the Difference | |||||
| Lower | Uper | |||||||
| Pair U1-U2 | −3.23 | 9.56888 | 1.513 | −6.285 | −0.165 | −2.132 | 39 | 0.039 |