The MBA program at Piedmont Business School offers Analytic Skills Workshop (ASW) during the summer to help entering students brush up on their accounting, economics, and mathematics. Program Director Andy Bunch wonders whether ASW has been advantageous to the students enrolled. He has taken random samples of grade-point averages for students enrolled in ASW over the past 5 years and for students who started the MBA program without ASW during the same time span. At α = 0.02, have the ASW students gotten signifi cantly higher GPAs? Should Andy advertise that ASW helps student achievement in the MBA program? xsn ASW 3.37 1.13 26 Non-ASW 3.15 1.89 35
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