Identify Population, Sample, Sampling Frame and Parameter

question 20

Multiple Choice

Identify population, sample, sampling frame and parameter.
-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

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Definitions:

Sympathetic Nervous System

A part of the autonomic nervous system that prepares the body for quick action in emergencies; the "fight or flight" response system.

Parasympathetic Nervous System

Part of the autonomic nervous system that conserves energy by slowing the heart rate, increasing intestinal and gland activity, and relaxing sphincter muscles.

Dopamine

Dopamine is a neurotransmitter in the brain that plays a key role in managing rewards, motivation, pleasure, and motor function.

Phineas Gage

A historically significant individual in the study of neuroscience and psychology, known for surviving a severe brain injury that altered his personality and behavior.