From “not sure” to “I get it”.
No jumping in at the deep end. Start with the question that’s on your mind.
4 guides
Measurement uncertainty: what does it tell you about a result?
Understand uncertainty, error and tolerance, and learn how to interpret results reported with standard or expanded uncertainty.
Read the guide ↗Type A and Type B: two routes to standard uncertainty
Learn when s/√n applies, how to use calibration certificates and why Type A and Type B are not synonyms for random and systematic effects.
Read the guide ↗Rectangular, triangular or normal? Choosing a distribution
Match distributions to evidence and correctly convert bounds, resolution and certificate information into standard uncertainties.
Read the guide ↗An uncertainty budget step by step: a length example
Build a budget from three independent contributions, calculate combined and expanded uncertainty, and check the units and assumptions.
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