Suppose You Want to Survey Students to Find Out What

question 4

Multiple Choice

Suppose you want to survey students to find out what proportion have illegally used prescription drugs. In order to maximize the number of truthful responses, your survey should be

• A) anonymous.
• B) confidential.
• C) both anonymous and confidential.
• D) neither anonymous nor confidential.

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Definitions:

Confidence Interval

A range of numerical outcomes, derived from statistical analysis of samples, predicted to contain the value of a mystery population parameter.

Gas Price

The cost per unit volume of gasoline, determined by various factors including crude oil prices, taxes, and demand.

Unleaded Gasoline

A type of petrol or fuel for engines that does not contain lead compounds, used to reduce air pollution and protect the environment.

Confidence Interval

An aggregation of values, from the study of sample data, seen as likely to include the value of an unknown parameter in the population.