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Parametric Tests
Statistical tests that make assumptions about the parameters of the distribution(s) from which one's data are drawn.
Wilcoxon Rank Sum Test
A nonparametric statistical hypothesis test used for comparing two independent samples to assess whether their population mean ranks differ.
Un-standardized Test Statistic
An un-standardized test statistic measures the degree of deviation from the null hypothesis without adjusting for scale or variability in the data.
Standardized Test Statistic
A value calculated from sample data that is used to assess the viability of a null hypothesis in the context of a significance test.
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