The Manager of the Service Department of a Local Car

question 61

Multiple Choice

The manager of the service department of a local car dealership has noted that the service times of a sample of 30 new automobiles has a standard deviation of 6 minutes. A 95% confidence interval estimate for the standard deviation of the service times for all their new automobiles is

• A)16.05 to 45.72
• B)4.78 to 8.07
• C)2.93 to 6.31
• D)22.83 to 65.06

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Definitions:

Layoff

The temporary or permanent termination of employees due to economic downturns, restructuring, or other organizational changes.

Restructuring

The act of reorganizing the legal, ownership, operational, or other structures of a company for the purpose of making it more profitable or better organized for its present needs.

Organizational Change

The process through which companies undergo transformations in their structures, strategies, operational methods, technologies, or cultures to adapt to internal and external pressures.

Systematic Change

A change that impacts an entire system, often involving significant restructuring or transformation of processes, policies, or practices.