Gp | Obs | Mean | SD | T-test DF | p-value |
1 | 30 | 2.7 | 0.35 |
|
|
2 | 30 | 1.9 | 0.3 |
|
|
total | 60 | 2.24 | 0.47 | 58 | <0.05 |
Difference |
| .7 | 0.54 |
|
|