Question

A researcher is studying the academic performance of high school students in the Pakistan and wanted to choose a sample based on geography. First, the researcher would divide the entire population of the Pakistan into districts. Then, the researcher would select a simple random sample of those districts. Let‘s say he choose a random sample of 15 districts and he wanted a final sample of 5,000 students. The most appropriate sampling technique used for this study would be:
Answer Answer Option
stratified sampling
cluster sampling
systematic sampling
Multiphase sampling

Answer 1

I can not understand your question