Exam 8: Data Sources: Observational Studies and Surveys

The administration of a large university is interested in learning about the types of wellness programs that would interest its employees.Suppose that the university randomly selects a school (e.g., the Business School) and surveys all of the individuals (administration, faculty, professional staff, clerical and maintenance) who work in that school.This sampling plan is called ________________________ .

A women's advocacy group believes that there is gender discrimination in the financial services industry.One member of the group, a financial analyst, offers to survey a sample of women at her company about this issue.Which of the following statements is true about the proposed study?

A consumer research group is interested in how older drivers view hybrid cars.Specifically, they wish to assess the percentage of drivers in the U.S.50 years of age or older who intend to purchase a hybrid in the next two years.They selected a systematic sample from a list of AARP (American Association of Retired Persons) members.Based on this sample, they estimated the percentage to be 17%.Which of the following statements about this study is true?