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Bessel’s correction

Bessel’s correction Bessel’s correction is the step of dividing by the number of observations minus one when calculating a sample variance or standard deviation.

Bessel’s correction is the step of dividing by the number of observations minus one when calculating a sample variance or standard deviation. It is used to reduce bias when estimating the population variance from sample data.

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “Bessel’s correction.” Development preview.

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