Use the Confidence Level and Sample Data to Find a Confidence

question 101

Multiple Choice

Use the confidence level and sample data to find a confidence interval for estimating the population µ.
-Test scores: $\mathrm { n } = 71 , \overline { \mathrm { x } } = 41.8 , \sigma = 7.2 ; 98$ percent

• A) \(40.4 < \mu < 43.2\)
• B) \(39.8 < \mu < 43.8\)
• C) \(40.1 < \mu < 43.5\)
• D) \(39.6 < \mu < 44.0\)

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Definitions:

Evaluation Interviews

Structured interactions where an individual's performance, preferences, or capabilities are assessed through dialogue.

Performance Appraisal

A systematic evaluation of an employee’s performance in terms of job requirements, often used as a basis for decisions regarding promotions, salary adjustments, and development needs.

Expected Job Performance

The standard or level of work output that is anticipated from an employee by their employer.

Deficiency

A lack or shortage of something necessary, indicating an area that requires improvement or supplementation.