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United States Department of Agriculture
National Agricultural Statistics Service

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  NASS Surveys: The Foundation of Estimates

Multiple Frame Samples

NASS often combines the techniques of area frame and list frame sampling. In this technique, called multiple frame sampling, most of the survey information is collected from the list frame. The area frame sample is used to collect information only from those not on the list frame sample to avoid the omission of agricultural activity from the resulting data.











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Last modified: 06/17/09

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