Standardization News

Data Points
Two Samples and No Original Data
  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:
Data Points
Part 2: Multiple inspections at different locations or at different points are a consideration with inspection redundancy.
Q: What is the purpose of multiple or redundant inspections? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Data Points
Part 3: More on the Tolerance Interval
Q: What is a tolerance interval? A. Click HERE to download the full article and read the answer.  
Industry Sectors:
Data Points
Part 1: Sample Size and Chart Reliability
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:
Data Points
Measuring a Random Error in a Reported Statistic
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.    
Data Points
The Role of Uncertainty in ASTM Standard Test Methods
  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
Data Points
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
Data Points
The Roles of Data and Subject Matter Experts
  Q: How are limits set? A. Click HERE to download the full article and read the answer.  
Data Points
Applying the Intervals to Attribute Data
Q: What considerations are there with statistical prediction intervals when the underlying distribution is known to be based on attribute data? A. Click HERE to download the full article and read the answer.
Data Points
When More than the Mean and the Standard Deviation Are Needed
Q: Which method of quantile estimation should be used? A: Click HERE to download the full article and read the answer.

Pages