A study of 25 graduates of four-year public colleges revealed the mean amount owed by a student
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A study of 25 graduates of four-year public colleges revealed the mean amount owed by a student in student loans was $55,051. The standard deviation of the sample was $7,568. Construct a 90% confidence interval for the population mean. Is it reasonable to conclude that the mean of the population is actually $55,000? Explain why or why not.
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Related Book For
Basic Statistics For Business And Economics
ISBN: 9781260187502
9th Edition
Authors: Douglas A. Lind, William G Marchal, Samuel A. Wathen
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