What type of sampling is being employed if the country is divided into economic classes and a sample is chosen from each class to be surveyed?
A) random sampling
B) systematic sampling
C) stratified sampling
D) cluster sampling

Question

Quizplus · Accepted Answer

Stratified sampling is the best choice because it ensures representation from each economic class and reduces sampling error. This method divides the population into groups (in this case, economic classes) and then randomly selects samples from each group. This allows for a more accurate representation of the population as a whole.

What Type of Sampling Is Being Employed If the Country