A Consumer Research Group Is Interested in How Older Drivers

question 21

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?

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Definitions:

Annoying Sound

A noise that is irritating or unpleasant to listen to.

Seatbelt

A safety device fitted in vehicles, designed to secure the occupant against harmful movement that may result from sudden stops or impacts.

Skinner Box

Is a controlled environment used to observe and study the behavior of animals, especially in experiments involving operant conditioning.

Variable Ratio Schedule

A reinforcement schedule in operant conditioning where rewards are provided after an unpredictable number of responses, promoting high and steady rates of behavior.