Examlex
A(n) _____ is a group of similar objects.
Alternative Hypothesis
The hypothesis that suggests there is a significant difference between two variables, contrary to the null hypothesis.
Populations
In statistics, this term refers to the entire pool from which a statistical sample is drawn and is the subject of a study.
Caffeinated Beverages
Drinks that contain caffeine, a stimulant that can affect the central nervous system.
Wilcoxon Signed Rank Test
A non-parametric statistical test used to compare two related samples, testing the null hypothesis that their population mean ranks differ.
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