Examlex
Posttraumatic stress disorder (PTSD) is an example of
Age Groups
Categories of populations divided according to age for purposes of demographic analysis or study.
Kruskal-Wallis Test
A nonparametric statistical test used to determine if there are statistically significant differences between two or more groups of an independent variable.
Chi-Squared Distribution
A statistical distribution employed in hypothesis testing that is known for its utility in evaluating the goodness-of-fit between observed and expected data.
Sample Sizes
Refers to the number of observations or elements chosen from a population to form a sample for a statistical study.
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