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

Exercise 76

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.
Use formulas (8.26) and (8.27) to show mathematically that when the process mean is centered between LSL and USL, C pu = C pl = C p.