Which of the following statements best describes a key advantage of using stratified sampling?
A) There is no need for a list of population.
B) It is easy to analyse data and compute error.
C) It ensures representation of all groups in the sample.
D) It is useful for locating members of rare populations.

Question

Quizplus · Accepted Answer

Stratified sampling ensures that all relevant subgroups in a population are represented in the sample, which leads to more accurate and precise results.

Which of the Following Statements Best Describes a Key Advantage