A Disadvantage of Stratified Sampling Is

A disadvantage of stratified sampling is:

A) that it denies you the use of probability theory.
B) that it requires you to have some prior knowledge about the elements in the population prior to drawing the sample.
C) that it usually increases the standard error.
D) that it usually requires samples that are larger in size than those required by simple random sampling.
E) not mentioned in any of these choices.

Correct Answer:

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