Mathematics, 17.12.2020 14:00 yousifgorgees101

Education researchers are interested in the workload expectations of freshmen at a local university. Since all of the freshmen are randomly placed into freshman seminar classes, the researchers randomly select 3 freshman seminar classes and survey all of the students within those classes. Which sampling method was used? cluster sampling
simple random sampling
stratified random sampling
systematic random sampling

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Education researchers are interested in the workload expectations of freshmen at a local university....