Two independent random samples of annual starting salaries for individuals with masters and bachelors degrees in business were taken and the results are shown below.
a.What are the degrees of freedom for the t distribution?
b.Provide a 95% confidence interval estimate for the difference between the salaries of the two groups.
Definitions:
Registered Bonds
Bonds that are registered in the name of the holder and require transfer of ownership when sold, contrasting with bearer bonds.
Transfer Agent
An organization that keeps records of the owners of a company’s securities. When a security is sold by one investor to another, ownership is transferred on the record by the transfer agent.
SEC
The Securities and Exchange Commission, a U.S. federal agency responsible for enforcing federal securities laws and regulating the securities industry.
Company
An legal entity formed by a group of individuals to engage in and operate a business—commercial or industrial—enterprise.
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