class interval

noun Statistics.
  1. one of a set of intervals of arbitrary width into which the range of a sample of measurement is partitioned.

Origin of class interval

First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for class interval

class interval

noun
  1. statistics one of the intervals into which the range of a variable of a distribution is divided, esp one of the divisions of the base line of a bar chart or histogram
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