Normality testing is a fundamental component in statistical analysis, central to validating many inferential techniques that presume Gaussian behaviour of error terms ...

What exactly is an Anderson-Darling test? Testing for normality is often the first step in analyzing your data. Many statistical tools you might use have normality as an underlying assumption. If you ...

The Wilcoxon Rank Sum Test is a non-parametric means of comparing data between two sets. It operates as a useful alternative ...

Slowly decaying serial correlations can cause goodness-of-fit tests for a distribution to reject the null hypothesis with probability tending to one with increasing sample size. When the null ...