Which of the following research questions involves testing a claim about a single population proportion? According to The College Board, 62% of students graduating from a community college with an associate degree in 2007-2008 had no student loan debt. Has this figure increased since then? According to the National Postsecondary Student Aid Study, conducted by the National Center for Education Statistics, the average student loan debt for community college students who received an associate degree was $5,879. Has the average student loan debt for these students increased since then? What proportion of students at Naugatuck Valley Community College commute more than 5 miles each way to campus? O Is there a difference in the proportion of males who have student loan debt and the proportion of females who have student loan debt when they graduate from community college