| 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 | Confidence Interval of the Difference 95% | |||
Lower | Upper | |||||||||
ROE (after tax) | Equal variances assumed | 4.858 | 0.052 | −0.423 | 10 | 0.681 | −1.318 | 3.113 | −8.255 | 5.618 |
Equal variances not assumed |
|
| −0.423 | 7.405 | 0.684 | −1.318 | 3.113 | −8.599 | 5.962 |