Weight Watchers Turkey Meatloaf with Quinoa & Zucchini Simple Nourished Living chili sauce, ground black pepper, medium zucchini, salt, fresh parsley and 5 more
Definitions for cluster sampling. Cluster sampling. Cluster sampling is a sampling technique used when natural but relatively homogeneous groupings are evident in a statistical population. It is often used in marketing research.
Stratified sampling is commonly used probability method that is superior to random sampling because it reduces sampling error. A stratum is a subset of the population that share at least one common characteristic. Examples of stratums might be males and females, or managers and non-managers.