Managing for Quality and Performance Excellence 9th Edition by James Evans,William Lindsay

Exercise 35

Note: Data for many of the problems in this chapter can be found in the Excel workbook C08Data.xlsx on the Student Companion Site. Click on the appropriate worksheet tab as noted in the problem (e.g., Prob. 8-6, etc.) to access the data.
One hundred insurance claim forms are inspected daily at Full Life Insurance Co. over 25 working days, and the number of forms with errors have been recorded in the worksheet Prob. 8-42 in the C08Data.xlsx file. Construct a p -chart. If any points occur outside the control limits, assume that assignable causes have been determined. Then construct a revised chart.