Exam terms

Anomalies

These are values in a set of results which are judged not to be part of the variation caused by random uncertainty. Anomalies are also often called outliers, they are odd values that don’t fit the pattern shown by other results.  This might be caused when a controlled variable has not been controlled properly. You …

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Accuracy

A measurement result is considered accurate if it is judged to be close to the true value. Accuracy is how close to the true value a reading is; precision is a measure of reproducibility – how close together your results are – how much random variation they have; resolution is the smallest change detectable with …

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