normal curve

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noun Statistics.

a bell-shaped curve showing a particular distribution of probability over the values of a random variable.Also called Gaussian curve, probability curve.

Origin of normal curve

First recorded in 1890–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for normal curve

normal curve

noun

statistics a symmetrical bell-shaped curve representing the probability density function of a normal distribution. The area of a vertical section of the curve represents the probability that the random variable lies between the values which delimit the section

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