Sampling (statistics) - Wikipedia
https://en.wikipedia.org/wiki/Sampling_(statistics)
OverviewHistoryPopulation definitionSampling frameSampling methodsReplacement of selected unitsSample size determinationSampling and data collectionIn statistics, quality assurance, and survey methodology, sampling is the selection of a subset or a statistical sample (termed sample for short) of individuals from within a statistical population to estimate characteristics of the whole population. Statisticians attempt to collect samples that are representative of the population. Sampling has lower costs and faster data collection compared to recording da…
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