Which of the Following Is FALSE with Regard to Stratified

question 20

Multiple Choice

Which of the following is FALSE with regard to stratified sampling?

• A)A stratified random sample is drawn by dividing the parent population into mutually exclusive and exhaustive subsets and by then taking a random sample of these subsets.
• B)The basic rule by which we stratify suggests the resulting strata should be as homogeneous as possible.
• C)When sampling from a population that is highly skewed,a stratified sample generally provides the most representative sample.
• D)A market researcher needs information about parts of the population,as well as the total population.He should therefore plan on using a stratified random sample.
• E)Stratified samples are more statistically efficient than simple random samples.

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