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Registrar operating experience over a 15-year period: more, less or more or less the same?

G Morris-Stiff1, E Ball, J Torkington

  • 1Department of Surgery, Royal Glamorgan Hospital, Ynysmaerdy, Llantrisant, CF72 8XR, Rhonda Cynon Taf.

Abstract

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Cross-Sectional Research

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Range Rule of Thumb to Interpret Standard Deviation

The range rule of thumb in statistics helps us calculate a dataset's minimum and maximum values with known standard deviation. This rule is based on the concept that 95% of all values in a dataset lie within two standard deviations from the mean.
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