A Marketing Company Reviewing the Length of Television Commercials Monitored

question 26

Multiple Choice

A marketing company reviewing the length of television commercials monitored a random sample
Of commercials over several days. They found that a 95% confidence interval for the mean length
(in seconds) of commercials aired daily was (23, 27) . Which is true?

• A) 95% of the commercials they checked were between 23 and 27 seconds long.
• B) Commercials average between 23 and 27 seconds long on 95% of the days.
• C) 95% of all the commercials aired were between 23 and 27 seconds a day.
• D) 95% of all samples would show mean commercial length between 23 and 27 seconds.
• E) We're 95% sure that the mean commercial length is between 23 and 27 seconds.

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Definitions:

Expectancy Theory

A motivational theory suggesting that individuals are motivated to perform if they believe their efforts will lead to desired performance and rewards.

Retributive Justice Theory

A theory of justice that holds that the best response to a crime is a punishment proportional to the offense, inflicted because the offender deserves the punishment.

Bureau of Labor Statistics

A unit of the United States Department of Labor that collects, processes, analyzes, and disseminates essential statistical data related to labor market activity, working conditions, and price changes.

National Compensation Survey

The National Compensation Survey is a comprehensive study conducted by the Bureau of Labor Statistics in the United States that gathers and analyzes salary and benefits data across various occupations and regions.