Examlex
A part-of relationship between a component object and an aggregate object best defines:
Test Statistic
A value calculated from sample data during a hypothesis test used to decide whether to reject the null hypothesis.
Kruskal-Wallis Test
A nonparametric test used to compare three or more groups based on ranks of data points rather than means or medians.
One-tail
One-tail refers to one-sided tests in hypothesis testing where the critical area of a distribution is one-sided, either to the right or left, focusing on a specific direction of interest.
Two-tail
A term used in statistical tests where the critical region is split between both ends of the distribution, testing for either significantly greater or lesser outcomes than the expected value.
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