The strata aren't proportional to their occurrence in the population in disproportionate sampling. Stratified random sampling differs from simple random sampling which involves the random ...

Suppose that the sample of students described in the previous section was actually selected using stratified random sampling. In stratified sampling, the study population is divided into ...

The sampling method is the process used to pull samples from the population. Simple random samples and stratified random samples are both common methods for obtaining a sample. A simple random ...