Table 1.
Independent samples t-test of family involvement by income
| Mean of family involvement | t statistic | df | |
| <$30,999 | 6.75 | -0.20 | 69.54 |
| >$31,000 | 6.90 |
Note. P<.05*, p<.01**, p<.001***
The mean family involvement for families with an income of <$30,000 was 6.75 out of 10 while the mean family involvement for families with an income of >$31,000 was 6.90 out of 10. These means are not significantly different when generalized to the population.