You are working as an assistant to the dean of institutional research at your university. The dean wants to survey members of the alumni association who obtained their baccalaureate degrees 5 years ago to learn what their starting salaries were in their first?
full-time job after receiving their degrees. A sample of150150alumni is to be randomly selected from the list of2 comma 2002,200graduates in that class. If the? dean's goal is to construct a 9595? % confidence interval estimate for the population mean starting?salary, why is it not possible that you will be able to use the expression Upper X over bar plus or minus Upper Z 0.025 Start Fraction sigma Over Start Root n End Root End Fraction X±Z 0.025sn for this? purpose? Explain.