Standards and Statistics



Standards And Statistics

What Do We Mean by Zero Defects?

Q: What does the phrase “zero defects” mean, and what can we say about a process for which this phrase has been applied?... more
Industry Sectors: 
Quality


Standards And Statistics

Acceptance Sampling

Why Is It Still Needed? by Dean V. Neubauer Q: If process improvement initiatives such as Six Sigma and gurus such as W. Edwards Deming, Ph.D.,... more
Industry Sectors: 
Standards Development Tips


Standards And Statistics

Shewhart Individuals Control Charts

Q: How does sample size impact Shewhart individuals control chart reliability?... more
Industry Sectors: 
Quality


Standards And Statistics

Shewhart Individuals Control Charts-Part 2

Q: How does sample size impact Shewhart Individuals control chart reliability?... more
Industry Sectors: 
Quality


Standards And Statistics

Using Simple Graphics in Data Analysis

Q: What graphics are useful in process troubleshooting?... more
Industry Sectors: 
Quality


Standards And Statistics

Accounting for Test Method (Im)precision

Q: How can you account for test method (im)precision in the adjudication of a petroleum product specification conformance dispute?... more
Industry Sectors: 
Metals & Materials
Transportation
Quality
Medical
Environment
Construction
Chemicals
Safety
Consumer Products
Energy


Standards And Statistics

Testing for Randomness

Q: How can I tell if my data are random—or not?... more
Industry Sectors: 
Metals & Materials
Energy
Consumer Products
Quality
Medical
Safety
Chemicals
Environment
Construction
Transportation


Standards And Statistics

Standard Error Concept

What is standard error and how is this used in practice?... more
Industry Sectors: 
Consumer Products
Energy
Medical
Safety
Metals & Materials
Quality
Construction
Environment
Transportation
Chemicals


Standards And Statistics

Getting to Know Uncertainty

Is estimation of uncertainty required if a laboratory is using a standard ASTM test method with defined repeatability and reproducibility and using... more
Industry Sectors: 
Safety
Medical
Construction
Chemicals
Consumer Products
Energy
Quality
Transportation
Metals & Materials
Environment


Standards And Statistics

Inspection Redundancy

What is the purpose of multiple or redundant inspections?... more
Industry Sectors: 
Quality

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