Standardization News

Q: What is the purpose of multiple or redundant inspections?

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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?

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Q: What is precision and how is it interpreted in the context of ASTM test methods?

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Q. I suspect that my data contain more than one outlier. Is there a preferred technique to use to isolate them?

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Q: Which control charts are used for monitoring test method performance?

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Q: What is the difference between statistical and practical significance?

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