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# probability density function

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noun Statistics.

a function of a continuous variable whose integral over a region gives the probability that a random variable falls within the region.

Also called frequency function. a function of a discrete variable whose sum over a discrete set gives the probability of occurrence of a specified value.

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## Origin of probability density function

First recorded in 1935â€“40

## Words nearby probability density function

prob, probabilism, probabilistic, probability, probability curve, probability density function, probability distribution, probability function, probability theory, probability wave, probable

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, Â© Random House, Inc. 2023

## How to use probability density function in a sentence

## British Dictionary definitions for probability density function

probability density function

noun

statistics a function representing the relative distribution of frequency of a continuous random variable from which parameters such as its mean and variance can be derived and having the property that its integral from a to b is the probability that the variable lies in this interval. Its graph is the limiting case of a histogram as the amount of data increases and the class intervals decrease in sizeAlso called: density function Compare cumulative distribution function, frequency distribution

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Â© William Collins Sons & Co. Ltd. 1979, 1986 Â© HarperCollins
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