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Each year a large university collects data on average beginning monthly salaries of its business school graduates.

A random sample of 125 recent graduates with bachelor's degrees in marketing has a mean stating monthly salary of x¯ = $1635 with a standard deviation of s = $288.

Use these data to obtain a 90% confidence interval estimate for the mean starting monthly salary, µ, of all recent graduates with bachelor's degrees in marketing from this university.

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  • Category:- Statistics and Probability
  • Reference No.:- M9374544

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