Definition of confidence interval in US English:
 confidence interval
nounˈkänfəd(ə)ns ˈin(t)ərvəl
Statistics A range of values so defined that there is a specified probability that the value of a parameter lies within it.
 Example sentencesExamples
-  Furthermore, the confidence interval of the parameters and the correlation among them were both very low, indicating stability of the estimations.
 -  This significance was lost for a third exacerbation, possibly because of the small numbers; the resulting confidence interval is very wide.
 -  The confidence interval was defined as a drop of 1 in the LOD score.
 -  It is clear from the size of the confidence interval that these data do not imply strong differences between the three groups.
 -  The confidence interval of fit parameters was either determined from the covariance matrix or by F-test analysis.