Examlex
The completeness constraint can be partial or total.
Populations
The entire group of individuals or instances about whom the data is collected or a study is conducted.
Elements
The entities on which data are collected.
Samples
Collections or subsets of data taken from a larger population, used to analyze and make inferences about the population.
Ordinal Scale
The scale of measurement for a variable if the data exhibit the properties of nominal data and the order or rank of the data is meaningful. Ordinal data may be nonnumeric or numeric.
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