Which of the following are advantages of stratified over simple random sampling?
A) Ensures adequate representation from each stratum of interest.
B) Can produce more precise sample statistics.
C) Allows for the comparison of variables between strata.
D) Takes advantage of homogeneity within groups.
E) All of the above.

Question

Quizplus · Accepted Answer

Stratified sampling ensures representation from each subgroup, can yield more precise estimates by reducing variance, allows for comparisons between strata, and leverages homogeneity within groups to improve accuracy.

Which of the Following Are Advantages of Stratified Over Simple