Problem: Movie viewing. An opinion poll calls 2000 randomly chosen residential telephone numbers and asks to speak with an adult member of the household. The interviewer asks, "How many movies have you watched in a movie theater in the past 12 months?"
Required:
(i) What population do you think the poll has in mind?
(ii) In all, 831 people respond. What is the rate (percent) of nonresponse?
(iii) What source of response error is likely for the question asked?