confidence interval

noun
|Updated on: 19 Jun 2018

Definition of confidence interval

: a group of continuous or discrete adjacent values that is used to estimate a statistical parameter (such as a mean or variance) and that tends to include the true value of the parameter a predetermined proportion of the time if the process of finding the group of values is repeated a number of times

Recent Examples of confidence interval from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'confidence interval.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of confidence interval

1934

in the meaning defined above

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