Elementary Statistical Quality Control: 2nd Edition (Hardback) book cover

Elementary Statistical Quality Control

2nd Edition

Edited by John T. Burr

CRC Press

480 pages

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pub: 2004-12-28
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Description

Maintaining the reader-friendly features of its popular predecessor, the Second Edition illustrates fundamental principles and practices in statistical quality control for improved quality, reliability, and productivity in the management of production processes and industrial and business operations. Presenting key concepts of statistical quality control in a simple and straightforward manner, this reference will provide a solid foundation in statistical quality control theory, background, and applications.

Moving from elementary topics to sampling by variables, sound tolerancing, and relationships between variables, this reference

Reviews

"…does a capable job of updating the first edition and is a solid hands-on guide for the next wave of statistical quality control practitioners. …With detailed examples and a few problems at the end of most chapters, this book gives learning practitioners a good starting point for the key points of statistical quality control, especially in emphasizing the importance of characterizing and adjusting for variability in processes and avoiding common pitfalls when making decisions from observed data. …it is a worthwhile addition to the reference shelf of quality engineers and practitioners."

-Christine M. Anderson-Cook, Journal of the American Statistical Association

"Its contents are of great interest for engineering, business and industrial professional and students. Good graphical illustrations aid the understanding of the concepts and techniques discussed. The second edition expands the content of the 1976 first edition. I recommend this book for lecturers and students of engineering as a good introductory book on statistical quality control in industry and business."

-Journal of Applied Statistics, June 2006

Table of Contents

Why Statistics?

Statistical Quality Control

Data: Statistics for Action

Patterns of Variation

Wide Applicability

Summary

CHARACTERISTICS OF DATA AND HOW TO DESCRIBE THEM

Two Basic Characteristics of Data

Measuring Average Level and Variability

Condensing Data into a Frequency Table

Sample Data vs. Population

Interpretation of X-Bar and S

Efficient Calculation of X-Bar and S: Coding

Curve Shape

Population vs. Sample Characteristics

Probability as Area, The Normal Curve

Summary

Problems

SIMPLE PROBABILITY AND PROBABILITY DISTRIBUTIONS

Likelihood of an Event Occurring

Occurrence Ratio

Example 1 and Probability Laws

The Binomial Distribution

The Poisson Distribution for Nonconformities

Hypergeometric Distribution for Nonconforming Units

Summary

Problems

CONTROL CHARTS IN GENERAL

Running Record Charts of Performance

Performance Varies

Unusual Performance Calls for Action

What is Unusual

Two Kinds of Causes

Control Charts

Interpretations of Points and Limits

Two Purposes of Control Charts

Process in Statistical Control

Advantages of a Process in Control

Summary

Problems

CONTROL CHARTS FOR ATTRIBUTES

Charts for Nonconforming Pieces

Charts for Nonconformities

Summary

Problems

CONTROL CHARTS FOR MEASUREMENTS: PROCESS CONTROL

Two Characteristics We Desire to Control

An Example, x-Bar, R Charts for Past Data

An Experimental Example, x-Bar and R Charts for Past Data

Some Population Distributions for Sampling Experiments

Control Charts for x-Bar and R, Standards Given

Control Charts for Standard Deviations, s

Comparison of a Control Chart with Specifications

Continuing the Charts

When and How to Set Standard Values

Examples

Some Background of Control Charts

Summary

Problems

PROCESS CAPABILITY

Specification or Tolerance Limits

Manufacturing Tolerances vs. Specification Limits

Natural Machine and Process Tolerances

Measurement Error and its Effect on Decisions Against Tolerances

Comparison of a Process with Specifications

Process Capability Index

Process Capability Index Based on Location of Process Average

Long-Term Process Capability Index-Ppk

Example

Summary

Note

Problems

FURTHER TOPICS IN CONTROL CHARTS AND APPLICATIONS

Types of Sampling

Tool Wear, Slanting Limits

Charts for Individual x's and Moving Ranges

Percent Nonconforming of Bulk Product

Average Run Length for a Point Out

Chart for Demerits, Rating Quality

Some Typical Applications

Problems

ACCEPTANCE SAMPLING FOR ATTRIBUTES

Why Use a Sample for a Decision on a Lot?

Levels of Inspecting or Testing a Lot

The Operating Characteristic of a Plan

Attribute Sampling Inspection

Characteristics of Single Sampling Plans

Double Sampling Plans and their Characteristics

Acceptance Sampling for Nonconformities

Finding a Single Sampling Plan to Match Two Points on the OC Curve

Some Principles and Concepts in Sampling by Attributes

Summary

Problems

SOME STANDARD SAMPLING PLANS FOR ATTRIBUTES

Ansi Asq Z1.4

The Dodge-Romig Sampling Tables

Other Sampling Inspection Plans

Continuous Sampling Plans

Chain Sampling Plan, ChSp-1

Skip-Lot Sampling Plan, SkSp-1

Summary

Problems

SAMPLING BY VARIABLES

Knowledge of Distribution Type

General Aim: To Judge Whether Distribution is Satisfactory

Decisions on Lot Mean, Known s, Normal Distribution

Decisions on Lot by Measurements, s Unknown, Normal Distribution

Single-Sample Test on Variability

Description of Ansi/Asq Z1.9

Checking a Process Setting

Summary

Problems

TOLERANCES FOR MATING PARTS AND ASSEMBLIES

An Example of Bearing and Shaft

An Example of an Additive Combination

General Formulas

Setting Realistic Tolerances

Relations Other than Additive-Subtractive

Summary

Problems

Studying Relationships Between Variables by Linear Correlation and Regression

Two General Problems

First Example-Estimation

Second Example-Correlation

Simplifying the Calculations

Interpretations and Precautions

Some Applications

Problems

A FEW RELIABILITY CONCEPTS

Reliability In General

Definitions of Reliability

Time to First Failure, The Geometric Distribution

Lower Confidence Limit on Reliability

The Exponential Distribution for Length of Life

Reliability of Complex Equipment

Summary

Problems

Appendix

Answers to Odd-Numbered Problems

Index

About the Series

Statistics: A Series of Textbooks and Monographs

Learn more…

Subject Categories

BISAC Subject Codes/Headings:
BUS053000
BUSINESS & ECONOMICS / Quality Control
MAT029000
MATHEMATICS / Probability & Statistics / General
TEC032000
TECHNOLOGY & ENGINEERING / Quality Control