Evaluation Glossary

Statistical Sample

A group of cases selected from a population by a random process in which every member of the population has a known, non-zero probability of being selected.

Source

US Environmental Protection Agency. (2007). Program Evaluation Glossary. Office of the Administrator/Office of Policy/Office of Strategic Environmental Management/Evaluation Support Division.

Related Terms

Randomization
Probability Sample
Random Assignment
Random Sampling
Scientific Sample