Examlex
Prices in Russia soon after the collapse of the former Soviet Union increased by 10-fold in 6 months.
Normality Requirement
The assumption that the data or residuals in certain statistical models follow a normal distribution.
Parametric Test
A type of statistical test that assumes the underlying data has a specific distribution, often based on parameters like mean and standard deviation.
Wilcoxon Signed Rank Test
The Wilcoxon Signed Rank Test is a non-parametric statistical test for comparing two matched or paired samples to assess whether their population mean ranks differ.
Test Statistic
A calculated value from data that is used to test a hypothesis in the context of statistical analysis, helping determine the probability of observing the given data under the null hypothesis.
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