Is there a significant difference in the level of community service participation between college and high school graduates? According to the GSS 2014, 44% of 88 college graduates reported volunteering in the previous month compared with 30% of 245 high school graduates.

1. What is the research hypothesis? Should you conduct a one- or a two-tailed test? Why?

2. Present the five-step model, testing your hypothesis at the .05 level. What do you conclude?