Standards and Statistics


Standards and Statistics

Assessing Crack Detection Capability

What statistical procedure is used to determine the typical crack size that can be detected with a given probability?... more


Standards and Statistics

Easy Estimation of Measurement Uncertainty

How can we easily obtain an estimate of measurement uncertainty?... more


Standards and Statistics

Testing for Equivalence

What statistical procedures are used to demonstrate that two sets of test results are equivalent?... more


Standards and Statistics

Quantile Estimation

Q. Which method of quantile estimation should be used? ... more


Standards and Statistics

How Normal is Normal?

How can I determine if my data comes from a normal distribution?... more


Standards and Statistics

Statistical Prediction Intervals

What considerations are there with statistical prediction intervals when the underlying distribution is known to be based on attribute data?... more


Standards and Statistics

Statistical Intervals: Nonparametric, Part 2

What considerations are there with nonparametric statistical intervals when the underlying distribution varies?... more


Standards and Statistics

Statistical Intervals of the Nonparametric Type

How are nonparametric intervals applied and used?... more


Standards and Statistics

Lot Acceptance Procedure Criteria

Q. Lots are released based on comparing test results from a sample to lot acceptance procedure criteria. If a set of test results meets the lot acceptance procedure criterion, how can I be assured that another sample from the lot would also pass the criterion? ... more


Standards and Statistics

Is it One or Two Groups of Data?

Q: When I look at my data it appears that instead of one group of data I see two. How can I determine statistically if there are one or two groups of data present when I expect to see only one?... more

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