A Researcher Is Told That the Average Age of Respondents

question 27

Multiple Choice

A researcher is told that the average age of respondents in a survey is 49 years. She is interested in finding out if most respondents are close to 49 years old. The measure that would most accurately answer this question is:

• A) mean.
• B) median.
• C) mode.
• D) range.
• E) standard deviation.

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Definitions:

Two-sample T-test

A statistical test used to determine if there is a significant difference between the means of two independent samples.

Gymnasts' Scores

The numerical values assigned by judges to evaluate the performance of gymnasts in competitions.

Training Technique

A method or approach used to enhance skills, knowledge, or performance in a specific area or activity.

Paired T-test

An analytical procedure for evaluating if two associated groups have significantly different means.