A committee on community relations in a college town plans to survey local businesses about the importance of students as customers. From telephone book listings, the committee chooses 80 businesses at random. Of these, 50 return the questionnaire mailed by the committee. (fill in blanks)

a) What is the population for this sample survey?
The population in this situation is (none, some, most, or all) of the (local business or college students) b) What is the sample?
The sample is the (enter exact number) of (local business or college students) selected.
c) What is the rate (percent) of nonresponse?

%