Examlex
The variance of a probability distribution provides a measure of the average spread of a distribution.
Loudness Of Music
The perceived volume or intensity of sound, particularly in the context of music, which can influence emotional response and physical health.
Independent Variable
A variable that is manipulated in an experiment to see if it causes a change in another variable (the dependent variable).
Control Group
In experimental research, a group of subjects that does not receive the experimental treatment and is used as a benchmark to measure the effect of the treatment.
Experimental Groups
In scientific research, groups of subjects that receive the treatment or intervention being tested, allowing researchers to assess its effects.
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