Independent Samples Test | ||||||||||
| 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 | 95% Confidence Interval of the Difference | |||
Lower | Upper | |||||||||
Frequency | Equal variances assumed | 1.186 | 0.281 | −5.119 | 58 | 0.001 | −25.429 | 4.967 | −35.371 | −15.486 |
Equal variances not assumed |
|
| −5.571 | 51.570 | 0.001 | −25.429 | 4.564 | −34.589 | −16.268 |