The accompanying stemplots depict ages of applicants who were unsuccessful in winning promotion and ages of applicants who were successful in winning promotion (based on data from €œDebating the Use of Statistical Evidence in Allegations of Age Discrimination€ by Barry and Boland, American Statistician, Vol. 58, No. 2). Assume that the samples are simple random samples and use a 95% confidence level to construct the two confidence interval estimates of the two population means. Compare the results. What do you conclude?

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Ages of Unsuccessful Applicants 3 4778 4 12344555689 5 3344567 Ages of Successful Applicants 3 367889 4 223344455556677889 51124