The Librarian at the New York City Public Library Has

question 44

Multiple Choice

The librarian at the New York City Public Library has asked her assistant for an interval estimate of the mean number of books checked out each day.The assistant took a sample and found the mean to be 880 books.She provides the librarian with an interval estimate of between 790 and 970 books checked out per day.An efficient,unbiased point estimate of the number of books checked out each day at the New York City Public Library is:

• A)790
• B)880
• C)90
• D)None of these choices.

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Definitions:

Instrumentality

The perceived likelihood that a certain level of performance will lead to achieving a desired outcome or reward.

Valence

the intrinsic attractiveness or aversiveness of an event, object, or situation, often influencing individuals' motivation.

Equity Theory

A theory of motivation that suggests individuals assess their own input-to-outcome ratios in comparison to others as a measure of fairness in relationships or work situations.

Content Theory

A theory that focuses on identifying and understanding the specific needs that motivate individuals to act in various ways.