20140724

systematic sampling


 
Term of the Day

systematic sampling

method of choosing a random sample from among a larger population. Theprocess of systematic sampling typically involves first selecting a fixed startingpoint in the larger population and then obtaining subsequent observations by using a constant interval between samples taken. Hence, if the total population was 1,000, a random systematic sampling of 100 data points within that population would involve observing every 10th data point.
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Usage Example
Systematic sampling is sometimes more beneficial than just random sampling because it can be more efficient and less time-consuming for the statisticians that conduct the survey.
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