The Editors of Scientific American Are Able to Obtain a Representative

question 191

Multiple Choice

The editors of Scientific American are able to obtain a representative sample of their readers in order to assess their attitudes toward preservation of the rainforests in Costa Rica. When interpreting the results of their survey, the editors will be able to ________.

• A) apply the results to the entire U.S. population
• B) apply the results to Costa Rica
• C) apply the results to subscribers of Scientific American
• D) apply the result to scientists

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Definitions:

Confidence Interval

A span of numbers obtained from sample observations that probably encompasses the value of an unspecified population characteristic.

Standard Deviation

A gauge for determining the extent of diversity or deviation among data points.

Mean Final Exam Score

The average score obtained by students on a final exam.

Aptitude Test

A standardized test designed to evaluate an individual's ability to perform or train for a particular task or job.