The Manager of the Service Department of a Local Car

question 41

Multiple Choice

The manager of the service department of a local car dealership has noted that the service times of a sample of 16 new automobiles has a standard deviation of 5 minutes. A 95% confidence interval estimate for the variance of service times for all their new automobiles is

• A) 13.642 to 59.885.
• B) 9.46 to 34.09.
• C) 2.144 to 9.948.
• D) 2.728 to 11.977.

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Definitions:

Geriatric Division

A dedicated branch of a healthcare institution or service focused on the medical care and treatment of elderly patients.

Pharmaceutical Company

An enterprise that develops, produces, and markets drugs or pharmaceuticals for use as medications.

Critical Thinking

The objective analysis and evaluation of an issue in order to form a judgment, often involving clear and reasoned thinking.

Competitive Differentiation

The process of distinguishing a product or service from others in the market to make it more attractive to a particular target market.