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, ...

Let X1,... ,Xn be a sequence of independent random vectors, such that the first k of this sequence, X1,... ,Xk have a common multivariate normal distribution $N_{p ...

In this paper, we consider the problem of interval estimation for the mean of diagnostic test charges. Diagnostic test charge data may contain zero values, and the nonzero values can often be modeled ...

Editor’s note: Robert J. Moore is the co-founder of RJMetrics, a company whose software helps online businesses make smarter decisions using their own data. He also previously served on the Investment ...

The proverb "practice makes perfect" highlights the importance of repetition to master a skill. This principle also applies to learning vocabulary and other materials. In order to fight our natural ...