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A survey was mailed to a total of 400 students; 100 wererandomly selected from e
A survey was mailed to a total of 400 students;100 were randomly selected from e
September 15, 2020When every member of a population has the chance ofbeing selected based on the p
September 15, 2020A survey was mailed to a total of 400 students; 100 wererandomly selected from each of the freshman sophomore junior andsenior classes last semester. What sampling method wasused?
