# normal curve

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

Show More

## Origin of normal curve^{}

First recorded in 1890–95

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## normal curve

- 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

Show More

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