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

Exercise 27

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 process at Printwright, Inc.'s largest facility is used to make plastic gears for a computer printer. The data found in the worksheet Prob. 9-15 were gathered by a quality analyst. The gears were designed to be 3.57 ± 0.05 centimeters (cm) in diameter. Construct a histogram of the data. What can you observe about the shape of the distribution? What would you recommend to the production manager based on your analysis?