Glossary

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S

skewed

A distribution where the data points cluster more toward one side of the scale than the other, creating a curve that is not symmetrical.


statistical power

The probability of finding a statistical association where one exists (i.e. the probability of a true positive result). Larger sample sizes result in more power.

systematic bias

Error that represents a consistent deviation from the true value, which can arise during design, data collection, data management or analysis stages in surveillance systems or studies.

systematic error

See systematic bias


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