Mathematics, 13.04.2021 02:30 raiderries
To assess the extent of the housing downturn, in 2009 the Federal Department of Housing and Urban Development (HUD) obtained information on 5000 randomly-selected single-family houses nationwide. To obtain the sample, they first selected a simple random sample of 50 congressional districts (out of 436 in all). Then, within each district they took a simple random sample of 10 census tracts. Finally, within each census tract they took a simple random sample of 10 homes. The sampling methods used are examples of:
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To assess the extent of the housing downturn, in 2009 the Federal Department of Housing and Urban De...
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