6 Data collected by the human resources group at a company p

6. Data collected by the human resources group at a company produced this confidence interval for the average age of MBAs hired during the past recruiting seminar. With 95% confidence, 26.202

Solution

(a) width = 28.844-26.202 = 2.642

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(b) center =(28.844+26.202)/2 = 27.52