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Six Sigma Case Studies with Minitab®



CRC Press, Boca Raton



Six Sigma Case Studies with Minitab®

 Authors  Kishore K. Pochampally and Surendra M. Gupta

Year of Publication











Krishna B. Misra



Review Complete

The books comprises 15 chapters arranged under two sections and are preceded by a Preface, Acknowledgements and About the Authors and followed by an Appendix and Index.



Section I   Background



Chapter 1

Introduction to Six Sigma Quality

11 Pages


Chapter 2

Quality Analysis and Improvement Tools/Techniques used in this Book

06 Pages


Section II Six Sigma Case Studies



Chapter 3

Confidence Intervals to Assess Variation in Fat Content at a Fast-Food Restaurant

20 Pages


Chapter 4

Hypothesis Testing for Quality Control at a Manufacturing Company

18 Pages


Chapter 5

Chi-Square Analysis to Verify Quality of Candy Packets

19 Pages


Chapter 6

Process Capability Analysis at a Manufacturing Company

23 Pages


Chapter 7

Binary Logistic Regression to Predict Customer Satisfaction

14 Pages

Chapter 8

Item Analysis and Cluster Analysis to Gather “Voice of the Customer” (VOC) Data from Employees at a Service Firm

17 Pages


Chapter 9

Mixture Designs to Optimize Pollution Level and Temperature of Fuels

24 Pages


Chapter 10

Multivariate Analysis to Reduce Patient Waiting Time at a Medical Centre

23 Pages


Chapter 11

Pareto Chart and Fishbone Diagram to Minimize Recyclable Disposal in a Town

10 Pages


Chapter 12

Measurement System Analysis at a Medical Equipment Manufacturer

19 Pages


Chapter 13

Taguchi Design to Improve Customer Satisfaction of an Airline Company

14 Pages


Chapter 14

Factorial Design of Experiments to Optimize a Chemical Process

25 Pages


Chapter 15

Chi-Square Tests to Verify Source Association with Parts Purchased and Products Produced

16 Pages



19 Pages



10 Pages


This book is authored by experienced professors who have been teaching in the area and have also done six-sigma-case-studies-978-1-4822-0557-2several projects extensively. Six Sigma has been the most popular and widely used technique with the manufacturers for ensuring process quality, these days. Therefore, the importance of a book for understanding Six Sigma in all its potential is highly welcome.

The authors have done extremely well to present it in a simple to understand language and bring out the potential of Six Sigma by presenting numerous case studies from improving the quality of candy packets to service improvement of an Airline, in addition to covering several other sectors.

As is well-known that Six Sigma uses five steps methodology, called as DMAIC, namely, Define, Measure, Analyze, Improve, and Control. The authors clearly demonstrate these steps with each and every case study presented the book in chapters 3-15. Also as Minitab is the leading and user-friendly statistical software used in quality improvement and works well with integer as well as with fractional data; using Minitab has improved the utility of the book immensely. The book is recommended to all graduate students interested in quality engineering and to managers in various companies desirous of improving quality of their products or services.



This review has been published in Vol. 11, No. 6,  November 2015 issue of the IJPE


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