A Disadvantage of Stratified Sampling Is That It

Multiple Choice

A disadvantage of stratified sampling is that it:

A) denies you the use of probability theory
B) requires you to have some prior knowledge about the elements in the population prior to drawing the sample
C) usually increases the standard error
D) usually requires samples that are larger in size than those required by simple random sampling
E) none of these choices is a disadvantage of stratified sampling