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Standardization News

Data Points
Setting Control Limits
  Q: How are limits set? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Chemicals, Construction, Consumer Products, Energy, Environment, Medical, Metals & Materials, Quality, Safety, Transportation

Data Points
Is It in Spec ... or Not?
Q: Can a product with a single inspection result that is worse than the specification limit by an amount not exceeding reproducibility (R) be considered as being in conformance with the specification?  A. Click HERE to download the full article and… more
Industry Sectors:
Chemicals, Construction, Consumer Products, Energy, Environment, Medical, Metals & Materials, Quality, Safety, Transportation

Data Points
Getting to Know Uncertainty
  Q: Is estimation of uncertainty required if a laboratory is using a standard ASTM International test method with defined repeatability and reproducibility, and using standard equipment, chemicals and materials? A.Click HERE to download the full… more
Industry Sectors:
Chemicals, Construction, Consumer Products, Energy, Environment, Medical, Metals & Materials, Quality, Safety, Transportation

Data Points
Standard Error Concept
Q: What is a standard error and how is this used in practice? A. Click HERE to download the full article and read the answer.    
Industry Sectors:
Chemicals, Construction, Consumer Products, Energy, Environment, Medical, Metals & Materials, Quality, Safety, Transportation

Data Points
Shewhart Individuals Control Charts
Q: How does sample size impact Shewhart individuals control chart reliability? A. Click HERE to download the full article and read the answer.   
Industry Sectors:
Quality

Data Points
Statistical Intervals, Part 3
Q: What is a tolerance interval? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Quality

Data Points
Inspection Redundancy: Part 2
Q: What is the purpose of multiple or redundant inspections? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Quality

Data Points
Combining Results
  Q. How can I combine the results of two samples that are statistically alike based on hypothesis testing when the original data are now unavailable? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Quality

Data Points
Precision in ASTM Test Methods
Q: What is precision and how is it interpreted in the context of ASTM test methods? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Quality

Data Points
GESD
  Q. I suspect that my data contain more than one outlier. Is there a preferred technique to use to isolate them? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Quality