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confidence interval

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noun Statistics.
  1. the interval bounded by confidence limits.

Origin of confidence interval

First recorded in 1930–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for confidence interval

confidence interval

noun
  1. statistics an interval of values bounded by confidence limits within which the true value of a population parameter is stated to lie with a specified probability
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012