- 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
- 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