7. Glossary

Bias

Just in time.

Test confidence (1 – alpha)

1 minus the probability of not committing the error of the first kind. Ex: 95% confidence interval.

Systematic error

Component of the measurement error which, in repeated measurements, remains constant or varies in a predictable way (VIM).

Hypothesis H0

Unless proven otherwise, the H0 hypothesis is considered true by default. This hypothesis generally establishes equivalence, for example: H0 : µ = 0.

Hypothesis H1

This hypothesis H1 is considered false until proven otherwise (rejection of H0) This hypothesis generally establishes the difference, for example: H1: µ ≠ 0.

Precision

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