United States Environmental Protection Agency Office of Environmental Information

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Date: 2011-05-19 15:27:57 Survey methodology Variance reduction Stratified sampling Cluster sampling Sample size determination Sample Simple random sample Random sample Quality assurance Statistics Sampling Market research		United States Environmental Protection Agency Office of Environmental Information Add to Reading List Source URL: www.epa.gov Download Document from Source Website File Size: 1.022,42 KB Share Document on Facebook

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