<http://schema.org/description>
"The Wilcoxon test for paired samples is the non-parametric equivalent of the paired samples t-test. It should be used when the sample data are not Normally distributed, and they cannot be transformed to a Normal distribution by means of a logarithmic transformation."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.medcalc.org/manual/wilcoxon.php>