A teacher obtains a sample of children from a 5?? grade classroom by randomly selecting the 3??,5??,and 8?? rows and taking all the students in those rows.This is an example of

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This is an example of cluster sampling, as the teacher is selecting clusters (rows) and taking all the students within those clusters. Simple random sampling involves randomly selecting individuals from the entire population, systematic sampling involves selecting individuals using a specified interval, and stratified sampling involves dividing the population into subgroups and then randomly selecting individuals from each subgroup.

A Teacher Obtains a Sample of Children from a 5