t-test

Table 1. 

Independent samples t-test of family involvement by income

 Mean of family involvement t statisticdf
$30,999 or less7.37-2.21* 45.06 
Greater than $31,0008.70  

Note. p<.05*, p<.01**, p<.001***

The mean family involvement for families with an income of $30,999 or less was 7.37 out of 10 while the mean family involvement for families with an income of greater than $31,000 was 8.70 out of 10. These means are significantly different at the .05 level.