Confidence Interval Calculator This web calculator allows users to specify the desired number of observations, sample mean, standard deviation and confidence level.

Next, detailed descriptions are given for how to calculate confidence/reliability for data that is either pass/fail (i.e., "attribute" data), normally-distributed measurement data, non-normally ...

Man-Lai Tang, Nian-Sheng Tang, Vincent J. Carey, Confidence Interval for Rate Ratio in a 2 x 2 Table with Structural Zero: An Application in Assessing False-Negative Rate Ratio When Combining Two ...