# normal distribution

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Related to normal distribution: Poisson distribution, binomial distribution, Standard normal distribution

## normal distribution

*n.*

A theoretical frequency distribution for a random variable, characterized by a bell-shaped curve symmetrical about its mean. Also called

*Gaussian distribution*.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

## normal distribution

*n*

(Statistics)

*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}/2σ^{2}]/σ√(2π)) where μ is the mean and σ^{2}the variance. Also called:**Gaussian distribution**Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

## nor′mal distribu′tion

*n.*

a theoretical frequency distribution represented by a normal curve. Also called

**Gaussian distribution.**Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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Noun | 1. | normal distribution - a theoretical distribution with finite mean and variancedistribution, statistical distribution - (statistics) an arrangement of values of a variable showing their observed or theoretical frequency of occurrence statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters |

Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

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