# normal distribution

Save This Word!

noun Statistics.
a theoretical frequency distribution represented by a normal curve.
QUIZ
CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also called Gaussian distribution.

## Origin ofnormal distribution

First recorded in 1895–1900

## Words nearby normal distribution

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

Slowing the spread|Katie McLean|December 18, 2020|MIT Technology Review
• 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. Johnston
• Such boon-work was considered as a kind of surplus demand; it exceeded the normal distribution of work.

• The idea is but the shadow of the theories of normal distribution mentioned in preceding chapters.

## 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
[ nôrməl ]

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