| Levene’s Test for Equality of Variances | t-test for Equality of Means | ||||||||
F | Sig. | T | df | Sig. (2-Tailed) | Mean Difference | Standard Error Difference | 95% Confidence Interval of the Difference | |||
Lower | Upper | |||||||||
Equal Variances Assumed | 18.311 | 0.000 | −10.757 | 401 | 0.000 | −4.98976 | 0.46386 | −5.90167 | −4.07785 | |
Equal Variances Not Assumed |
|
| −10.814 | 344.241 | 0.000 | −4.98976 | 0.46140 | −5.89727 | −4.08225 | |