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.
Correct Answer:
Verified
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