Find the Mean for the Given Sample Data

question 83

Multiple Choice

Find the mean for the given sample data. Unless otherwise specified, round your answer to one more decimal place than that used for the observations.
-Last year, nine employees of an electronics company retired. Their ages at retirement are listed below.
57 66 64 50 59 58 63 52 50

• A)58.0 yr
• B)56.4 yr
• C)57.0 yr
• D)57.7 yr

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Definitions:

Interview Format

The structured or unstructured layout of questions and answers designed for the purpose of gathering information during an interview.

Reliable

Describes something or someone that is consistently good in quality or performance, able to be trusted.

Valid

Legally sound, logically correct, or acceptable according to established principles or criteria.

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A form of group research interview in which a moderator guides a group through a series of discussion questions while the rest of the research team members observe.