Examlex
Explain the difference between the three measures of variation: range, percentiles, and standard deviation.
Collectivity
A term describing a group of individuals who share or are motivated by at least one common issue or interest, or work together to achieve a common objective.
Experimental Group
The group in an experiment that receives the treatment or the variable being tested.
Control Group
In experimental research, a group of subjects that does not receive the experimental treatment or intervention being tested, used as a benchmark to measure the effect of the treatment.
Controlled Experiment
A scientific test that is directly manipulated by a researcher, to determine the effect of a variable on a particular system.
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