CK-12 Foundation
Ck 12: Statistics: Sampling Methods
[Free Registration/Login may be required to access all resource tools.] Decide how to choose a sampling of a population to produce reliable statistical results.
University of Georgia
University of Georgia: Inter Math: Sample
This site gives a description of a sample (of a population). The page offers information on various types of sampling. There are links to related terms, everyday examples, more information, and the interactive check point involving...