The Dean of a Business School Claims That the Average

question 109

Multiple Choice

The dean of a business school claims that the average starting salary of its graduates is more than $50,000. It is known that the population standard deviation is $10,000. Sample data on the starting salaries of 20 randomly selected recent graduates yielded a mean of $55,000. What is the value of the sample test statistic?

• A) z = 2.24
• B) t = 7.2
• C) t = 5.04
• D) t = 2.24
• E) None of these statements are true

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Definitions:

Psychological Motives

Internal drives and desires, such as the need for achievement, affiliation, or power, that influence individuals' behavior and actions.

Acquired Drive

A learned or developed motivational state that emerges from the experience of satisfying basic physiological needs.

Approval

The act of accepting or sanctioning something, often expressed formally by an authoritative figure or institution.

Outfit

A set of clothes worn together, often planned for a specific occasion or purpose.