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?
A) 17% of all U.S. drivers 50 years of age or older intend to purchase a hybrid in the
Next two years.
B) 17% is a parameter.
C) 17% is a statistic.
D) Both A and B
E) Both A and C

Question

Quizplus · Accepted Answer

The 17% is a statistic because it is derived from a sample (systematic sample from AARP members) rather than the entire population of U.S. drivers 50 years of age or older. A parameter would refer to a measure that describes the entire population, which is not the case here.

A Consumer Research Group Is Interested in How Older Drivers