Levene’s Test for Equality of Variances | t-test for Equality of Means | |||||||
---|---|---|---|---|---|---|---|---|
F | Sig. | t | df | Sig. (2-tailed) | Mean Difference | Std. Error Difference | ||
SAS Pre | Equal variances assumed | 2.277 | 0.135 | 1.622 | 77 | 0.109 | 6.12179 | 3.77393 |
Equal variances not assumed | 1.638 | 50.751 | 0.108 | 6.12179 | 3.73839 | |||
R Pre | Equal variances assumed | 0.055 | 0.815 | -1.403 | 77 | 0.165 | -7.58013 | 5.40157 |
Equal variances not assumed | -1.402 | 75.862 | 0.165 | -7.58013 | 5.40829 | |||
AE Pre | Equal variances assumed | 37.044 | 0.000 | -1.120 | 77 | 0.266 | -7.37756 | 6.58994 |
Equal variances not assumed | -1.129 | 54.089 | 0.264 | -7.37756 | 6.53351 |