Standardization News

Data Points
How to Account for It
Q: How can you account for test method (im)precision in the adjudication of a petroleum product specification conformance dispute? A: Click HERE to download the full article and read the answer.   
Data Points
Part 2: More on 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.  
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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
The Benefits of E691 Q: ASTM International standard E691, Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method, recommends a particular design, but other ASTM committees suggest alternative designs. What are... more
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Data Points
The Difference Between Capability and Control
  Q: What do we mean by the capability of a process? A. Click HERE to download the full article and read the answer.  
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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.  
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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.  
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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.  
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Data Points
What Precision Means
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.  
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Data Points
  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.  
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