The Average Starting Salary of Students Who Graduated from Colleges

question 59

Essay

The average starting salary of students who graduated from colleges of Business in 2009 was $48,400. A sample of 100 graduates of 2010 showed an average starting salary of $50,000. Assume the standard deviation of the population is known to be $8,000. We want to determine whether or not there has been a significant increase in the starting salaries.
a.State the null and alternative hypotheses to be tested.
b.Compute the test statistic.
c.The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test.
d.What do you conclude?
e.Compute the p-value.

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Definitions:

Union

An organization formed by workers in the same sector or profession, aimed at negotiating with employers for better wages, working conditions, and benefits.

Management

The process of dealing with or controlling things or people, often within the context of businesses and organizations to achieve organizational goals.

Bargaining Position

The relative power of a party in negotiations, determined by their ability to influence the terms and outcome.

Customer

The recipient of a good, service, product, or idea, obtained from a seller, vendor, or supplier for a monetary or other valuable consideration.