| 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 | |||||||||
ROA (Before tax) | Equal variances assumed | 4.609 | 0.057 | −1.561 | 10 | 0.150 | −0.995 | 0.638 | −2.415 | 0.425 |
Equal variances not assumed |
|
| −1.561 | 7.245 | 0.161 | −0.995 | 0.638 | −2.492 | 0.502 |