Standardization News

Building on Reliability: Reliability Test Planning

Q. What is reliability demonstration testing?

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The Impact of Measurement Variability Heterogeneity on Calibration and Control Charting

Q. Does measurement system heterogeneity impact statistical analysis?

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General Considerations for Working with Data

Q. What are the general considerations before collecting data?

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Setting an Upper Confidence Bound on Proportion Nonconforming

Q. Is it possible to calculate a 95% upper confidence bound for the proportion nonconforming in the uninspected remaining units in a lot of N units, from which we sample n of them and find x…

The Weibull Model — Building on Reliability

Q. What is the Weibull distribution and how is it used in data analysis?

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Questions About Sample Size

Q. Is 30 a large sample size?

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The Kilogram, Redefined

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.…

Uncertainty: Part 3, The Role and Estimation of Bias

Q. What is bias and can it be addressed?

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A Point about Reliability

Q. When performing a reliability assessment, what happens if the exact value of a data point is unknown?

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The New Definition of the Mole

Q: What is the recent change in the definition of the mole?

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