Q:

A December 2009 poll asked a random sample of people whether they thought their country was heading in the right direction. Each respondent answered​ "Right Direction" or​ "Wrong Direction" and was classified as​ Republican, Democrat, or Independent. If we were interested in testing whether party affiliation was associated with the answer to the​ question, would this be a test of homogeneity or of​ independence? Explain.

Accepted Solution

A:
Answer:This would be test of independence because it contain only one sample testStep-by-step explanation:Test of independence determine two factors are independent or notFor exampleif we do a test of independence   null hypothesis : H 0: Being a cell phone user while driving and receiving a speeding violation are independent events. If the null hypothesis were true, we would expect about 28 people to use cell phones while driving and to receive a speeding violation.Therefore in the given question Each respondent answer that it might be in "Right Direction " or "Wrong Direction".So it is a independent test.