Managing for Quality and Performance Excellence 10th Edition by James Evans ,William Lindsay

Exercise 63

Note: Data sets for many problems in this chapter are available in the Excel workbook C09Data.xlsx on the Student Companion Site. Click the appropriate worksheet tab as noted in the problem ( e.g. Prob. 9-12, etc.) to access the data. We also recommend using the ASQ Learn about Quality Excel templates noted in this chapter to facilitate your solutions to appropriate problems.
A Six Sigma analyst at Lakerio United Bank suspected that errors in counting and manually strapping cash into bundles were related to the number of weeks that employees had been employed on that job. The data available in the worksheet Prob. 9-12 were gathered from the process. What do you conclude from your analysis? What do you recommend?