A systematic sample that is also random is referred to as a systematic random sample. This type of random sample can sometimes be substituted for a simple random sample. When we make this substitution we must be certain that the method we use for our sample does not introduce any bias. Learn more about how the sampling technique known as Systematic sampling A researcher divides a study population into relevant subgroups then draws a sample from each subgroup. techniques are somewhat less tedious but offer the benefits of a random sample. As with simple random samples, you must be able to produce a list of every one of your population elements. .

simple random sampling example