| 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 | |||||||||
(NIM) (%) | Equal variances assumed | 1.915 | 0.197 | −2.629 | 10 | 0.025 | −1.417 | 0.539 | −2.617 | −0.216 |
Equal variances not assumed |
|
| −2.629 | 8.150 | 0.030 | −1.417 | 0.539 | −2.655 | −0.178 |