At a Small College There Are 120 Freshmen,90 Sophomores,110 Juniors,and

At a small college there are 120 freshmen,90 sophomores,110 juniors,and 80 seniors.A school administrator selects a random sample of 12 of the freshmen,a random sample of 9 of the sophomores,a random sample of 11 of the juniors,and a random sample of 8 of the seniors.She then interviews all the students selected.Identify the type of sampling used in this example.

A) Stratified sampling
B) Systematic sampling
C) Cluster sampling
D) Voluntary response sampling
E) Attempted census

Correct Answer:

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