Examlex
The term __________ refers to abnormal events that occur during sleep, while the term __________ refers to not getting enough sleep.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true, used as a benchmark to decide whether an observed result is statistically significant.
Hypotheses Testing
In statistics, a method that utilizes information from a sample group to evaluate a presumption about a population's parameter.
Kruskal-Wallis Test
A nonparametric test used to compare three or more independent samples to determine if there is a significant difference between their medians.
Ordinal Data
Data that can be ranked or ordered along some dimension but does not have a fixed distance between rankings.
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