One Thousand Researchers Each Take Random Samples of 1,000 Americans

question 31

Multiple Choice

One thousand researchers each take random samples of 1,000 Americans and ask their age. The sampling distribution has a standard error of 0.5 years. If the true average age of the population is 38, what percent of the researchers will get an average sample age between 36.5 and 39.5 years?

• A) 38%
• B) 68%
• C) 95%
• D) 99.7%

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Definitions:

Ethnic Groups

Communities or populations sharing a common culture, ancestry, language, or social experiences.

Bureaucratic Innovations

New methods or improvements introduced within administrative and organizational structures to enhance efficiency and productivity.

Productivity

Refers to the amount of goods or services produced for every hour worked.

Quality Circles

Groups of workers who voluntarily come together to solve problems and improve work processes and quality in their organization.