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Statistical Quality Control, 7th Edition by Douglas C. Montgomery

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8 Process and Measurement System Capability Analysis

CHAPTER OUTLINE

8.1   INTRODUCTION

8.2   PROCESS CAPABILITY ANALYSIS USING A HISTOGRAM OR A PROBABILITY PLOT

8.2.1   Using the Histogram

8.2.2   Probability Plotting

8.3   PROCESS CAPABILITY RATIOS

8.3.1   Use and Interpretation of Cp

8.3.2   Process Capability Ratio for an Off-Center Process

8.3.3   Normality and the Process Capability Ratio

8.3.4   More about Process Centering

8.3.5   Confidence Intervals and Tests on Process Capability Ratios

8.4   PROCESS CAPABILITY ANALYSIS USING A CONTROL CHART

8.5   PROCESS CAPABILITY ANALYSIS USING DESIGNED EXPERIMENTS

8.6   PROCESS CAPABILITY ANALYSIS WITH ATTRIBUTE DATA

8.7   GAUGE AND MEASUREMENT SYSTEM CAPABILITY STUDIES

8.7.1   Basic Concepts of Gauge Capability

8.7.2   The Analysis of Variance Method

8.7.3   Confidence Intervals in Gauge R & R Studies

8.7.4   False Defectives and Passed Defectives

8.7.5   Attribute Gauge Capability

8.7.6   Comparing Customer and Supplier Measurement Systems

8.8   SETTING SPECIFICATION LIMITS ON DISCRETE COMPONENTS

8.8.1   Linear Combinations

8.8.2   Nonlinear Combinations

8.9   ESTIMATING THE NATURAL TOLERANCE LIMITS OF A PROCESS

8.9.1   Tolerance Limits Based on the Normal Distribution

8.9.2   Nonparametric Tolerance Limits

Supplemental Material for Chapter 8

S8.1   Fixed Versus Random Factors in the Analysis of Variance

S8.2   More About Analysis of Variance Methods for Measurement Systems Capability Studies

The supplemental material is on the ...

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