The Dean of a Business School Claims That the Average

question 111

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

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Definitions:

Retained Earnings

Profits that a company has kept or retained rather than distributing to shareholders as dividends.

Net Income

The net income of a business once all costs, taxes, and expenses are deducted from its total revenue.

Dividend

A dividend is a payment made by a corporation to its shareholders, usually as a distribution of profits.

Treasury Stock

Shares that were once part of the outstanding shares of a company but were later reacquired and are held in the company’s treasury.