Which of the Following Statements Involve Descriptive Statistics as Opposed

question 34

Multiple Choice

Which of the following statements involve descriptive statistics as opposed to inferential statistics?

• A) The Alcohol,Tobacco and Firearms Department reported that Houston had 1,791 registered gun dealers in 1997.
• B) Based on a survey of 400 magazine readers,the magazine reports that 45% of its readers prefer double column articles.
• C) The FAA samples 500 traffic controllers in order to estimate the percent retiring due to job stress related illness.
• D) Based on a sample of 300 professional tennis players,a tennis magazine reported that 25% of the parents of all professional tennis players did not play tennis.
• E) The admission's office in a southern university samples 200 college students in business in order to estimate the percentage of business majors who prefer accounting to economics.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating the spread from the mean.

Physical Fitness

The ability of an individual to carry out daily tasks with optimal performance, endurance, and strength, due to good health and physical conditioning.

One-sample T Test

A statistical test used to compare the mean of a sample to a known value or theoretical expectation.

Normal Population

A population distribution that follows a normal (bell-shaped) curve, indicating that the mean, median, and mode are equal.