Statistical Quality Control. Bhisham C. Gupta

Statistical Quality Control - Bhisham C. Gupta


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      Statistical Quality Control

      Using Minitab, R, JMP, and Python

       Bhisham C. Gupta

       Professor Emeritus of StatisticsUniversity of Southern MainePortland, ME

      This edition first published 2021

      #169; 2021 John Wiley & Sons, Inc.

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      The right of Bhisham C. Gupta to be identified as the author of this work has been asserted in accordance with law.

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      Library of Congress Cataloging‐in‐Publication Data ISBN 978‐1‐119‐67163‐3 (hardback) ISBN 978‐1‐119‐67170‐1 (ePDF) ISBN 978‐1‐119‐67172‐5 (ePub) ISBN 978‐1‐119‐67171‐8 (oBook)

      Cover image:

      Cover design by

       In loving memory of my parents, Roshan Lal and Sodhan Devi

      Preface

      This is an introductory textbook on statistical quality control (SQC), an important part of applied statistics that is used regularly to improve the quality of products throughout manufacturing, service, transportation, and other industries. The objective of this book is to provide a basic but sound understanding of how to apply the various techniques of SQC to improve the quality of products in various sectors. Knowledge of statistics is not a prerequisite for using this text. Also, this book does not assume any knowledge of calculus. However, a basic knowledge of high school algebra is both necessary and sufficient to grasp the material presented in this book.

      Various concepts of the Six Sigma methodology are also discussed. Six Sigma methodology calls for many more statistical tools than are reasonable to address in one book; accordingly, the intent here is to provide Six Sigma team members with some basic statistical concepts, along with an extensive discussion of SQC tools in a way that addresses both the underlying statistical concepts and their applications.

      This book is written for second‐year or third‐year college/university students who are enrolled in engineering or majoring in statistics, management studies, or any other related field, and are interested in learning various SPC techniques. The book can also serve as a desk reference for practitioners who work to improve quality in sectors such as manufacturing, service, transportation, medical, oil, and financial institutions, or for those who are using Six Sigma techniques to improve the quality of products in such areas. This book will also serve those who are preparing for certification in Six Sigma training, such as the Six Sigma Green Belt. In the Western world, these kinds of certifications are very common, particularly in the manufacturing, service, transportation, medical, and oil industries.

      In Chapter 2, we introduce the Six Sigma methodology.


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