normal distribution

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

norma, normal, normal antibody, normal antitoxin, normal curve, 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. 2020

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.