A Researcher Studies Letters to the Editor of a Magazine

question 57

Multiple Choice

A researcher studies letters to the editor of a magazine to assess community attitudes. The research method used in this scenario can be regarded as _____.

• A)statistical records
• B)survey archives
• C)written records
• D)case studies

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Definitions:

Standard Deviation

An indicator of the spread or distribution of a group of numbers, showing the degree to which these numbers vary from the average.

Uniform Distribution

A type of probability distribution in which all outcomes are equally likely over a given interval.

Probability

The measure of the likelihood that a specific event will occur, expressed as a number between 0 and 1.

Subway Waiting

The time period a passenger waits for a subway train to arrive, typically considered as a random variable in transit studies.