The Wilcoxon signed rank test, which is also known as the Wilcoxon signed rank sum test and the Wilcoxon matched pairs test, is a non-parametric statistical test used to compare two dependent samples ...

The R system consists of a scripting language, an interactive command shell and a large library of mathematical functions that can be used for data analysis. Although R has been around for many years, ...

The 't' distribution describes the variation of sample means that follow a normal distribution. The paired 't' test would be appropriate to test the effect of treatment on a group of patients if ...

What is a one sample t test? The t test is a commonly used hypothesis test in statistics that allows us to compare the mean value of a group of sampled data with some hypothesized value, usually a ...

This is a preview. Log in through your library . Abstract Using a sample from an unknown bivariate distribution, we propose a test for the hypothesis that one marginal distribution is stochastically ...