Statistical sample
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A sample is that part of a population which is actually observed. In normal scientific practice, we demand that it is selected in such a way as to avoid presenting a biased view of the population. If statistical inference is to be used, there must be a way of assigning known probabilities of selection to each sample. If the probabilities of different samples are all equal, for example, the method is called simple random sampling.
See also: Sampling (statistics)
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[edit] Comparison
Parameter is to a Population
as a
Statistic is to a Sample
[edit] External links
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| This page uses content from the English-language version of Wikipedia. The original article was at Statistical sample. The list of authors can be seen in the page history. As with Psychology Wiki, the text of Wikipedia is available under the GNU Free Documentation License. |
