What statistical test would a researcher use to test the following null hypothesis: There is no difference in favorability of attitudes toward the police (measured as 1=very favorable, 2=somewhat...

What statistical test would a researcher use to test the following null hypothesis:There is no difference in favorability of attitudes toward the police (measured as 1=very favorable, 2=somewhat favorable, 3= somewhat not favorable, and 4=not at all favorable) and number of years in prison (measured as 0-2 years, 3-5 years, 6-9 years, and 10-12 years).