When the Bureau of Labor Statistics conducts a survey, it begins by partitioning

Question

When the Bureau of Labor Statistics conducts a survey, it begins by partitioning the United States adult population into 2,007 groups called primary sampling units. Assume that these primary sample units all contain the same number of adults. If you randomly select one adult from each primary sampling unit, is the result a simple random sample? Why or why not?

*Note to think about sampling with replacement.

Also, refering to the primary sampling units descried above, describe a sampling plan that results in a simple random sample.

Explanation / Answer

United States adult population is partitoned into 2007 groups .

From each 2007 group a single sample is drawn from each group .

Thus , this is not a simple random sampling . As in simple random sampling we consider entire population and randomly select sample from entire population .

Sampling plan for primary sampling units would be assign random number to each unit in groups and through random number table or computer random number help you will get help for selection of units in each sampling unit. This may lead to simple random sample

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