Auniversity's housing and residence office wants to know how much students pay per month for rent in off-campus housing. the university does not have enough on-campus housing for students, and this information will be used in a brochure about student housing. they obtain a list of the 12,304 students who live in off-campus housing and have not yet graduated and mail a questionnaire to 200 students selected at random. only 78 questionairres are returned 8.1 (a) what is the population in this study? be careful: about what group do they want information? (b) what is the sample? be careful: from what group do they actually obtain information? can redefine the population about which infor- the important message in this problem is that the sample mation is obtained