A researcher is interested in comparing Christian maturity level of students who volunteer for the community service versus those who do not. The researcher supposes that those who carryout community service will have higher Christian maturity scores. The maturity scores tend to be skewed (not normally distributed). Higher scores point out higher Christian maturity.
No Community Service Community Service
32 47
40 48
54 59
13 72
20 80
26 55
a. What statistical test must be employed to examine these data?
b. Is this a one- or two- tailed test?
c. Determine H0 and Ha for this study
d. Conduct the appropriate analysis
e. Should H0 be rejected? What should the researcher conclude?