Which of the Following Is Not a Benefit of a Stratified

Multiple Choice

Which of the following is not a benefit of a stratified sampling plan?

A) Statistics from a stratum will reflect the parameters of the population as a whole.
B) Increased precision
C) Members of a stratum, or similar group, are likely to respond the same, which leads to results with lower variability.
D) All of these are benefits of a stratified sampling plan.