In a Random Sample of 651 Computer Scientists Who Subscribed $[ \$ 25,469 \quad \$ 68,163 ]$

question 17

Multiple Choice

In a random sample of 651 computer scientists who subscribed to a web-based daily news update,it was found that the average salary was $46,816 with a population standard deviation of $12,557.Calculate a 91 percent confidence interval for the mean salary of computer scientists.

• A) \([ \$ 25,469 \quad \$ 68,163 ]\)
• B) \([ \$ 46,592 \quad \$ 47,040 ]\)
• C) \([ \$ 46,157 \quad \$ 47,475 ]\)
• D) \([ \$ 46,783 \quad \$ 46,849 ]\)
• E) \([ \$ 45,981\)\( \quad\)\(\$ 47,650 ]\)

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Definitions:

Affiliation Need

A psychological drive that motivates individuals to connect, join, or feel part of social groups or communities.

Assertiveness Need

The requirement for developing an ability to express one’s opinions, needs, and feelings in a manner that is confident, calm, and positive.

Cognitive Need

A psychological requirement for understanding, organizing, and making sense of the world.

Establishing Goals

The process of defining clear, achievable objectives to guide personal or professional efforts.