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 random sampling is a better method when there are different subgroups in the population. Stratified random sampling divides a population into subgroups, or strata, and random samples are taken, in proportion to the population, from each of the strata created. The members in each of the stratum formed have similar attributes and characteristics.