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cumulative frequency

cumulative frequency Cumulative frequency is the running total of frequencies across ordered classes or score ranges, found by adding each class frequency to all those that came before it.

Cumulative frequency is the running total of frequencies across ordered classes or score ranges, found by adding each class frequency to all those that came before it. It shows how many observations have accumulated up to each point in the distribution.

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. “Cumulative Frequency Polygon” (cumulative_frequency_poly.html).
public-domain-US · Source snapshot SHA-256: 7b63a81d22b9e2b5b7d0e050e3fa4c3fe48c2be3eb4c06a59c4a698bc4666df0

These citations identify the drafting sources. 2/2 independent reader passes against the pinned source packet. The drafter does not count as a reader. Source institutions do not endorse this dictionary.

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

Version 1 · SHA-256: 1d15431c0da45870fdaf87df957fcc74fef96163baaa3b7567372e1cb665cca5

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