# normal distribution

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## 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*.## 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**## nor′mal distribu′tion

*n.*

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

**Gaussian distribution.**ThesaurusAntonymsRelated WordsSynonyms

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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 |

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