A committee on community relations in a college town plans t

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 120 businesses at random. Of these, 54 return the questionnaire mailed by the committee. What is the population for this sample survey? What is the sample? What is the rate (percent) of nonresponse?

Solution

The population of this sample survey is 120 businesses.

The sample is the 54 questionnare retured.

The rate of response is 54/120=0.45