Confidence intervals are a standard output of many free and paid A/B testing tools. Most A/B test reports contain one or more interval estimates. Even if you’re simply a consumer of such reports, ...

This applet allows users to drag sliders to change the confidence level and sample size. The applet helps users visualize the meaning of the phrase "C% confidence," by showing that C% of the samples ...

In this example, the capability index C pk is computed for the amplification data in AMPS. To examine the accuracy of this estimate, the following statements calculate a 90% confidence interval for C ...

https://doi.org/10.15609/annaeconstat2009.128.0203 • https://www.jstor.org/stable/10.15609/annaeconstat2009.128.0203 We propose a new method for constructing ...

In the first article in this series,1 we presented an approach to understanding how to estimate a treatment's effectiveness that covered relative risk reduction, absolute risk reduction and number ...