Standards and Statistics



Standards And Statistics

Understanding Process Capability

Q: What do we mean by the capability of a process?... more
Industry Sectors: 
Quality


Standards And Statistics

Statistical Intervals, Part 1

Q: What is a confidence interval?... more
Industry Sectors: 
Quality


Standards And Statistics

Statistical Intervals -- Part 2

In this series of articles we continue to develop and review the statistical interval concept, here focusing on the prediction interval. As a means... more
Industry Sectors: 
Quality


Standards And Statistics

What are Z-Scores?

Q: What exactly are z-scores and how are these statistics used in practice?... more
Industry Sectors: 
Quality


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

Statistical Intervals of the Nonparametric Type

How are nonparametric intervals applied and used?... more
Industry Sectors: 
Chemicals
Transportation
Medical
Quality
Environment
Construction
Energy
Safety
Consumer Products
Metals & Materials


Standards And Statistics

Lot Acceptance Procedure Criteria

Q. Lots are released based on comparing test results from a sample to lot acceptance procedure criteria. If a set of test results meets the lot... more
Industry Sectors: 
Safety
Consumer Products
Environment
Medical
Chemicals
Transportation
Quality
Construction
Metals & Materials
Energy


Standards And Statistics

Is it One or Two Groups of Data?

Q: When I look at my data it appears that instead of one group of data I see two. How can I determine statistically if there are one or two groups of... more
Industry Sectors: 
Energy
Transportation
Metals & Materials
Environment
Chemicals
Quality
Safety
Construction
Medical
Consumer Products

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