t-Test Application and Interpretation

Group Statistics

gender

N

Mean

Std. Deviation

Std. Error Mean

gpa

1

64

2.9875

.67963

.08495

2

41

2.7885

.68139

.10641

Levene's Test for Equality of Variances

t-test for Equality of Means

F

Sig.

t

df

gpa

Equal variances assumed

.112

.739

1.462

103

Equal variances not assumed

1.461

85.248

t-test for Equality of Means

t

df

Sig. (2-tailed)

Mean Difference

Std. Error Difference

95% Confidence Interval of the Difference

Lower

Upper

1.462

103

.147

.19896

.13609

-.07094

.46886

1.461

85.248

.148

.19896

.13617

-.07176

.46969