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# normal distribution

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noun Statistics.

a theoretical frequency distribution represented by a normal curve.

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Also called Gaussian distribution.

## Origin of normal distribution

First recorded in 1895â€“1900

## Words nearby normal distribution

norm, Norma, normal, normal curve, normalcy, normal distribution, normal distribution curve, normal divisor, normal equivalent deviate, normal fault, normality

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Â© Random House, Inc. 2023

## How to use normal distribution in a sentence

A normal distribution would resemble a bell curve with a peak around three and a rapidly tapering tail in both directions, meaning the probability of an extreme event declines exponentially as the number of infections moves farther from the average.

The frequency distribution of breeding activity in birds is described by a nonlinear curve (a normal distribution is nonlinear).

The Breeding Birds of Kansas|Richard F. JohnstonSuch boon-work was considered as a kind of surplus demand; it exceeded the normal distribution of work.

Villainage in England|Paul VinogradoffThe idea is but the shadow of the theories of normal distribution mentioned in preceding chapters.

The Settlement of Wage Disputes|Herbert Feis

## British Dictionary definitions for normal distribution

normal distribution

noun

statistics a continuous distribution of a random variable with its mean, median, and mode equal, the probability density function of which is given by (exp- [(x â€“Î¼)Â²/2ÏƒÂ²]/Ïƒâˆš(2Ï€)) where Î¼ is the mean and ÏƒÂ² the varianceAlso called: Gaussian distribution

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for normal distribution

normal distribution

[ nÃ´râ€²mÉ™l ]

A theoretical frequency distribution for a set of variable data, usually represented by a bell-shaped curve symmetrical about the mean.

The American HeritageÂ® Science Dictionary
Copyright Â© 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.