Standards and Statistics



Standards And Statistics

Setting Control Limits

Q. How are limits set?... more
Industry Sectors: 
Quality
Consumer Products
Energy
Chemicals
Safety
Metals & Materials
Medical
Construction
Transportation
Environment


Standards And Statistics

Is It in Spec ... or Not?

Q: Can a product with a single inspection result that is worse than specification limit by an amount not exceeding reproducibility be considered as... more
Industry Sectors: 
Environment
Quality
Construction
Transportation
Safety
Metals & Materials
Chemicals
Medical
Energy
Consumer Products


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

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

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

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

Statistical Intervals, Part 3

In this article series, we continue to develop and review the statistical interval concept focusing on the tolerance interval. We also continue to... more
Industry Sectors: 
Quality

Pages