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University of New Brunswick (Canada)
University of New Brunswick: Sample, Random, Systematic, Stratified Sampling
This site contains explanations and examples of the different kinds of data sampling.
Sophia Learning
Sophia: Unbiased Sampling Methods: Lesson 1
This lesson will define the term unbiased sample, and present the different types of unbiased sampling methods (e.g. simple random sample, stratified random sample, systematic random sample). It is 1 of 4 in the series titled "Unbiased...
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...
Texas Instruments
Texas Instruments: Surveys and Survey Design
This set contains statistics questions regarding surveys and survey designs. The student differentiates between a systematic sample, a convenience sample, a simple random sample (SRS), and a stratified random sample.