klastriproovivõttu
Klastriproovivõttu, also known as cluster sampling, is a statistical sampling method. It is a type of probability sampling where researchers divide a population into smaller groups, known as clusters. These clusters are typically pre-existing, natural groupings within the population. Examples of clusters could include schools, geographical areas, or households.
The process involves randomly selecting a certain number of these clusters. All individuals within the selected
This method is often employed when it is impractical or too expensive to obtain a complete list
While cluster sampling can be more cost-effective and practical, it may also introduce a higher degree of