Statistical Unit
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A Statistical Unit is an entity that is analyzed by a statistical analysis.
- AKA: Unit of Inference.
- …
- Counter-Example(s):
- an Experiment Unit.
- See: Survey Sampling, Sampling Unit.
References
2013
- (Wikipedia, 2013) ⇒ http://en.wikipedia.org/wiki/Statistical_unit
- A unit in a statistical analysis refers to one member of a set of entities being studied. It is the material source for the mathematical abstraction of a “random variable”. Common examples of a unit would be a single person, animal, plant, or manufactured item that belongs to a larger collection of such entities being studied.
Units are often referred to as being either experimental units, sampling units or, more generally, units of observation:
- An "experimental unit" is typically thought of as one member of a set of objects that are initially equivalent, with each object then subjected to one of several experimental treatments.
- A "sampling unit" is typically thought of as an object that has been sampled from a statistical population. This term is commonly used in opinion polling and survey sampling.
- A unit in a statistical analysis refers to one member of a set of entities being studied. It is the material source for the mathematical abstraction of a “random variable”. Common examples of a unit would be a single person, animal, plant, or manufactured item that belongs to a larger collection of such entities being studied.