statistical unit random variable (3 résultats)

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - High Quality Content by WIKIPEDIA articles! 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' or 'sampling units'. In most statistical studies, the goal is to generalize from the observed units to a larger set consisting of all comparable units that exist but are not directly observed. For example, if we randomly sample 100 people and ask them which candidate they intend to vote for in an election, our main interest is in the voting behavior of all eligible voters, not exclusively on the 100 observed units.

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