A survey was mailed to a total of 400 students - 12018

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mareya

mareya

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Request Description

A survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and senior classes last semester. What sampling method was used?

A.    Systematic sample B.    Simple random sample

C.    Cluster sample D.    Stratified sample

 
Solution Description

A survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and senior classes last semester.