Examlex
Which of the following statements about the European Union (EU) is true?
Sample Sizes
Refers to the number of observations or elements chosen from a population to form a sample for a statistical study.
Kruskal-Wallis Test
A non-parametric test used to determine if there are statistically significant differences between two or more groups of an independent variable on a continuous or ordinal dependent variable.
Kruskal-Wallis Test
An approach that is not based on parameter-specific criteria to determine if samples are from the same distribution.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is actually true; commonly denoted by alpha.
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