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What are the advantages of cluster sampling?

Answer

basically it is cheaper than other methods so it is preferred over other methods.
Q&A Related to "What are the advantages of cluster sampling?"
In cluster sampling, a group is used for the sampling instead of individuals. Instead of going into a neighborhood, where the population can vary by age, you could go to a high school
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A business cluster benefits the companies involved by presenting an opportunity to increase productivity. Companies in clusters benefit from the use of shared technology and knowledge
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( ′kləs·tər ′sam·pliŋ ) (statistics) A random sampling plan in which the population is subdivided into groups called clusters so that there
http://www.answers.com/topic/cluster-sampling
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Cluster sampling is a sampling technique used when natural groupings are evident in a statistical population. It is often used in market research. This technique ...
A cluster sample is subset or group of an entire population that is selected for observation or research. Cluster sampling is mostly used when the researcher is ...
Cluster sampling is a survey method of selecting groups of sampling units from a population for analysis with the use of a random number table. This allows selection ...
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