Mathematics, 10.03.2021 05:30 camila68
A principal wanted to survey students who took a standardized college entry exam about how prepared they felt for the exam. The principal put together a bag of marbles. There was 1 marble for each student, and 20 of the marbles were red. Each student chose a marble, and those who chose the red marbles took the survey. Which sampling method was used?
cluster sampling
simple random sampling
stratified random sampling
systematic random sampling
Answers: 3
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