Age Discrimination? 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 “Debating 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 3456 4778 12344555689 3344567 0 Ages of Successful Applicants 345 367889 2233444555566778899 1124