Statistical Quality Analysis

Click on a title below for an abstract and general discussion of the paper.

Capability Analysis

My narrated PowerPoint presentations on Capability Analysis are available here via the American Society for Quality (ASQ)

• Capability Analysis with Non-Normal Data
• Confidence Intervals for Capability Indices
• Cpk Versus Ppk
• Sorting Data and Capability Analysis
• What is Cpk?
• What is Ppk?

Measurement System Analysis

• A Comment on MSA with Destructive Testing
• A Review of Methods for Measurement System Capability Analysis
• Evaluating the Usefulness of Data Using Gage Repeatability and Reproducibility
• Measurement System Analysis and Destructive Testing
• Measurement System Analysis with Attribute Data
• Non-Traditional MSA with Continuous Data

Control Charts

• Controversies and Contradictions in Statistical Process Control
• CUSUM Charts
• Some Comments on Control Charts with Large Subgroup Sizes
• SPC: From Chaos to Wiping the Floor
• The Box-Jenkins Bounded Manual Adjustment Chart
• Using CUSUM Charts to Detect Small Process Shifts
• Using Exponentially Weighted Moving Average (EWMA) Charts
• What are Control Charts?
• What are Moving Range Charts?
• When Should the Limits on a Shewhart Control Chart Be Other Than a Center Line ±3 Sigma?

Additional Resources

• Papers by George Box and others, from the University of Wisconsin-Madison College of Engineering website

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