Statistics homework

Group Statistics

Group

N

Mean

Std. Deviation

Std. Error Mean

# of words recalled

Vowels group

10

5.60

2.366

.748

Island Group

10

7.90

2.079

.657

Independent Samples Test

Levene's Test for Equality of Variances

t-test for Equality of Means

F

Sig.

t

df

# of words recalled

Equal variances assumed

.183

.674

-2.309

18

Equal variances not assumed

-2.309

17.706

Independent Samples Test

t-test for Equality of Means

Sig. (2-tailed)

Mean Difference

Std. Error Difference

# of words recalled

Equal variances assumed

.033

-2.300

.996

Equal variances not assumed

.033

-2.300

.996

Independent Samples Test

t-test for Equality of Means

95% Confidence Interval of the Difference

Lower

Upper

# of words recalled

Equal variances assumed

-4.393

-.207

Equal variances not assumed

-4.395

-.205