Use the Empirical Rule to Describe Data That Are Bell $99.85 \%$

question 132

Multiple Choice

Use the Empirical Rule to Describe Data That Are Bell Shaped
-Many firms use on-the-job training to teach their employees new software. Suppose you work in the personnel department of a firm that just finished training a group of its employees in new software, and you have been requested to review the performance of one of the trainees on the final test that was given to all trainees. The mean and standard deviation of the test scores are 84 and 3 , respectively, and the distribution of scores is bell shaped. What percentage of test-takers scored better than a trainee who scored 75 ?

• A) approximately \(99.85 \%\)
• B) approximately \(84 \%\)
• C) approximately \(95 \%\)
• D) approximately \(97.5 \%\)

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Definitions:

Theoretical Background

denotes the foundational theories and conceptual underpinnings relevant to a subject of study or research.

Atypical Data

Data that deviates significantly from the norm or average within a dataset, potentially indicating an error or an outlier of special interest.

Discussion Section

Part of a research paper or report where findings are interpreted, implications are discussed, and future research is suggested.

Appendix

A section at the end of a document containing supplementary material that is not essential to the main text but adds useful information or clarification.