Dictionary

confidence interval

noun

Definition of CONFIDENCE INTERVAL

:  a group of continuous or discrete adjacent values that is used to estimate a statistical parameter (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

First Known Use of CONFIDENCE INTERVAL

1934

Browse

Next Word in the Dictionary: confidence limitPrevious Word in the Dictionary: confidence courseAll Words Near: confidence interval
July 01, 2015
precarious Hear it
not certain, secure, or steady
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears