The Manager of the Service Department of a Local Car

question 20

Multiple Choice

The manager of the service department of a local car dealership has noted that the service times of a sample of 15 new automobiles has a standard deviation of 4 minutes. A 95% confidence interval estimate for the variance of service times for all its new automobiles is _____.

• A) 8.58 to 39.79
• B) 4 to 16
• C) 4 to 15
• D) 1.64 to 1.96

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Definitions:

Affiliation-Related Behaviors

Actions and conduct associated with establishing and maintaining social connections with others.

Pessimistic Explanatory Style

A tendency to attribute negative events to stable, internal, and global causes.

Personality Style

An individual's unique pattern of thinking, feeling, and behaving that characterizes their approach to life and relationships.

Low Conscientiousness

Describes individuals who may display a lack of diligence, organization, or reliability, often associated with lower scores on the conscientiousness scale in personality assessments.