Standardization News

Data Points
The Weight Is Over
Q. Does the redefinition of the kilogram really mean that it will be possible to realize the International System of Units (SI) unit of mass at any place, at any time, and by anyone? A. Click here to download the full article and read the answer. 
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Q. What is bias and can it be addressed?  A. Click HERE to download the full article and read the answer.
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Gain the maximum amount of information from reliability data when only partial information is available.
Q. When performing a reliability assessment, what happens if the exact value of a data point is unknown? A. Click HERE to download the full article and read the answer.
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Q: What is the recent change in the definition of the mole? A: Click HERE to download the full article and read the answer.
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How to Evaluate a Single Straggler, Maverick, Aberrant Value
Q. How do you determine if a value is truly an outlier and how do you decide whether or not to proceed with the data analysis? A. Click HERE to download the full article and read the answer
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Determining Significant Digits and Rounding Properly
Q: How many significant digits should I use when reporting my test results and comparing those results with specification limits? A. Click HERE to download the full article and read the answer. 
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Part 3: Their Meaning in Gage r&R Methodology
Q. How are repeatability and reproducibility applied in gage r&R methodology? A. Click HERE to download the full article and read the answer. 
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Considering the Number of Items to Include in a Sample
Q: How many items from a lot should  I sample to determine the average value for a property of the lot? A. Click HERE to download the full article and read the answer. 
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Part 1: A D02 Viewpoint for Laboratories
Q: Many ASTM standard test methods contain repeatability and reproducibility statements and values. What is the conceptual difference between repeatability and reproducibility, and how can this information be applied? A. Click HERE to download the... more
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Part 2: The E11 Viewpoint
Q: Many ASTM standard test methods contain repeatability and reproducibility statements and values. What variations can be expected? What is the standard deviation for the repeatability and reproducibility of the method? A. Click HERE to download... more
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