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Area Sample

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Area Sample
In statistics, all the possible values a random variable can take under a given set of circumstances in a geographic area, as well as the probability that it will take each value. That is, an area sample divides a large geographic area into subunits and calculates the probability that the variable will occur in each unit. An area sample is a form of probability distribution applied to geography. It is also called an area selection.


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The survey polled a sample of 12,418 consumers nationwide, with a Bay Area sample size of 503, and has a margin of error for the entire sample of plus or minus one percentage point.
In fact, after looking at other Northern Ontario communities that have similar metal statistics, Wren says the Sudbury area samples actually featured a lower level of arsenic than places such as Wawa.
2] area samples there is no significant difference between the two area sample values (F=1.
 
 
 
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