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density function

density function A density function is a nonnegative mathematical rule used with a continuous random variable to find the probability of falling within a range of values, rather than at one exact value.

A density function is a nonnegative mathematical rule used with a continuous random variable to find the probability of falling within a range of values, rather than at one exact value. Across all possible values, the total probability represented by the function is 1.

Also see

Sources

Drafting source: Online Statistics Education, version 2 (David M. Lane, project leader). Version 2; publisher statement snapshot 2026-10-18; SHA-256 0dcad9ee85f61f9e2bb24d26279de155ac749164ea4da2a3bffeabcf9ea471a6. “Probability Density” (probability_density.html).
public-domain-US · Source snapshot SHA-256: ae5ec4112a254a282724c7569997c7fbee7e47f5c217387d7ca9efcee95a3ab0

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PsychTerms (psychterms.org), CC BY 4.0, version 1. “density function.” Development preview.

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