Examlex
What are exit polls,and why have they been so severely criticized?
Kruskal-Wallis Test
A nonparametric method for testing whether samples originate from the same distribution, used when the assumptions of the ANOVA are not met.
Critical Value
A point on the scale of a statistical distribution that is used to determine the boundary for rejecting the null hypothesis in hypothesis testing.
One-sample T-test
A statistical test used to compare the mean of a single sample to a known average or standard value.
Parametric Counterpart
Refers to statistical tests or models that assume a certain distribution shape for the underlying data, as opposed to non-parametric methods which do not.
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