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

15.555

0.000

−3.417

40.379

0.001

−12.600

3.688

−20.052

−5.148