A Consumer Research Group Is Interested in How Older Drivers

Essay

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 used a list of AARP
(American Association of Retired Persons) members as the sampling frame. Based on a
systematic sample, they estimated the percentage to be 17%.
A. Define the target population.
b. Define the parameter.
c. What is the statistic?
d. How might the results be biased?