Question

A consumer research group is interested in how older drivers view hybrid cars. Specifically, they wish to assess the percentage of driversin 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?

Answer 1

Answer:

a)

Target population :

All the drivers in the nation 50 years old or more established who plan to buy a half and half in the following two years.

b)

Parameter :

Percentage % who expect to buy a half and half in the following two years.

c) Statistic :

17% dependent on the example i.e., sample

d)

Since the testing outline does exclude all the drivers 50 or more seasoned (not every person 50 or more seasoned is an individual from AARP i.e., American Association of Retired Persons).