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Two Independent Random Samples of Annual Starting Salaries for Individuals

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Two independent random samples of annual starting salaries for individuals with master's and bachelor's degrees in business were taken and the results are shown below Two independent random samples of annual starting salaries for individuals with master's and bachelor's 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.
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.

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a.60
b.2.8...

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