Group Statistics |
|
grup |
N |
Mean |
Std. Deviation |
Std. Error Mean |
average |
control |
80 |
3,9690 |
,28619 |
,03200 |
experimental |
80 |
3,7950 |
,17983 |
,02011 |
Independent Samples Test |
|
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 |
Average |
Equal variances assumed |
21,115 |
,000 |
4,604 |
158 |
,000 |
,17400 |
,03779 |
,09936 |
,24864 |
Equal variances not assumed |
|
|
4,604 |
132,972 |
,000 |
,17400 |
,03779 |
,09925 |
,24875 |