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To gather information about the validity of a new standardized test for 10th-grade students in a particular state, a random sample of 15 high schools was selected from the state. The new test was administered to every 10th-grade student in the selected high schools. What kind of sample is this?

Respuesta :

Answer:

A cluster sampling

Explanation:

A cluster sampling:

It is the type of sampling method in which the researcher divides the population into the subgroups that are called clusters. A simple sample of random sampling gathered from the population. The researcher work on his researcher based on the data collection from sampled clusters. This sampling is used by the researcher when cant get information about the whole population.  

It is of two type

  • Simple random sampling
  • Stratified random sampling

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