## Standards and Statistics

Understanding statistical and practical significance.... more

A form of equivalence helps to compare a new lab, instrument or test method with an established one.... more

How control charts — I, EWMA and CUSUM — help to monitor procedure performance.... more

What precision means in ASTM test methods.... more

A look at a robust and effective technique for dealing with multiple outliers.... more

How to combine the results of two samples that are statistically alike when the original data is unavailable.... more

A further look at inspection redundancy considers inspections at different locations with different devices and personnel.... more

What is the purpose of multiple or redundant inspections?... more

Sometimes I want to take a
moving average of my data to
reduce the noise I am seeing, but
can I actually fool myself?... more

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

More Standards and Statistics