This is when you might need to use a non-parametric test to answer your statistical question. Non-parametric refers to a type ...

Nonparametric statistics have gained appreciation due to their ease of use. As the need for parameters is relieved, the data becomes more applicable to a larger variety of tests. This type of ...

The types of questions that the Wilcoxon test ... A null hypothesis is a statistical test that says there's no significant difference between two populations or variables. The base assumptions ...

MANOVA is a statistical test that extends the scope of the more ... Credit: Technology Networks. Even more complex types of the test can be conducted, including multi-way MANOVA (more than two ...

The other is that of the critical values. Critical values differ depending on the type of statistical test carried out, but often values represent significance levels of 1, 5 or 10 percent.

The nature of the data typically determines which statistical test will be employed by the investigators. We will consider 3 types of data: With categorical data, we can only say that a “4” is ...