Examlex
Petro is unable to articulate ideas or understand spoken or written language because of brain damage. Petro suffers from:
Z Statistic
A measure that describes how many standard deviations an element is from the mean of its distribution, often used in significance testing.
Degrees Of Freedom
The number of values in a calculation that are free to vary, essential in assessing the precision of statistical estimates.
Chi-Square Test
A statistical test applied to sets of categorical data to evaluate how likely it is that any observed difference between the sets arose by chance.
Populations
In statistics, a population is the entire pool of individuals or items from which a statistical sample is drawn for analysis.
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