Hours spent volunteering 7 7
6 3
0 1
2 3
3 5
8 5
8 1
1 6
4 0
2 1
0 1
6 2
2 7
3 4
2 0
3 3
8 7
2 7

STEPS for hypothesis testing:

State the Hypothesis
Set the Criterion
Calculate the estimated standard error of the mean
Calculate the t-statistic for the sample
Will you reject or fail to reject the null hypothesis?
Calculate confidence interval if appropriate