Test for Equality of Means

t

df

Sig. (2-tailed)

Mean

Difference

Std. Error

Difference

95% Confidence Interval of the Difference

Lower

Upper

2.608

163,265

0.009

0.0224830755

0.0086192105

0.0055896134

0.0393765376

2.696

14,830.070

0.007

0.0224830755

0.0083394780

0.0061366649

0.0388294861