Levene’s Test for Equality of Variances

t-test for Equality of Means

F

Sig.

t

df

Sig. (2-tailed)

Mean Diff.

Std. Error Diff.

95% Confidence Interval of the Difference

Lower

Upper

.679

.413

−2.992

58

.004

−12.033

4.022

−20.084

−3.983