# 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 1895–1900

## Words nearby normal distribution

normal, normal antibody, normal antitoxin, normal curve, normalcy, normal distribution, normal distribution curve, normal divisor, normal equivalent deviate, normal fault, normal human plasma

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

## Example sentences from the Web for normal distribution

## 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 –μ)²/2σ²]/σ√(2π)) where μ is the mean and σ² the varianceAlso called: Gaussian distribution

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

## Scientific definitions for normal distribution

normal distribution

[ nôr′məl ]

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

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