Examlex
Ten presidents, from George Washington to Ulysses S. Grant, at some point held African Americans in bondage.
Treatment Group
In experimental research, the group of participants that receives the treatment or intervention being tested, as opposed to the control group.
Confidence Interval
A statistical range that estimates where a population parameter lies with a certain probability.
Sample Standard Deviations
A measure that quantifies the amount of variation or dispersion of a set of sample data values.
Margin Of Error
An estimate of the amount by which a sample statistic differs from a population parameter, expressed often as a confidence interval.
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