Examlex
Define the following:mortality effect
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.
Nonparametric Procedures
Nonparametric procedures are statistical methods that do not assume a specific distribution for the data, often used when the data doesn't meet the assumptions required for parametric tests.
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