collection of units as the population of units when there is a need to differentiate it from the collection of values.
Principally, this represents a differentiation of - in the statistical population - the collection of observed values, contrasted to - in the population of units - the set of individual persons, organisms, or objects about which the statistical population is collected.
The difference between these concepts becomes more apparently meaningful, in the discussion with regards to the "choice of which population units to include in a sample", in the subsequent paragraphs in this text.
Albeit, this chapter of this text - in itself - does not present a broad lot of detail with regards to concepts of statistical investigation. The following paragraphs do describe a methodology for random-number-based population unit s...
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