Examlex
The following correctly ranks the forms of electromagnetic radiation in order of increasing energy (smallest to largest).
UV < Visible < IR
Wilcoxon Rank Test
A non-parametric test used to compare two paired groups to determine whether their population mean ranks differ.
Independent Samples
Groups of data in which the members of one group are not related or matched to the members of the other group(s).
Nonparametric Tests
Statistical tests used for data that does not necessarily meet the assumptions required for parametric tests, often used when data is not normally distributed.
Independent Samples
Two or more groups of samples that are not related or paired in any way, ensuring the observations in one sample do not influence the observations in another.
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