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For their class project, a group of Business students decide to survey the student body to assess opinions about a proposed new student coffee shop to judge how successful it might be. Their sample of 220 contained 55 first-year students, 55 sophomores, 55 juniors, and 55 seniors. Complete parts (a) and (b) below.
a. Do you think the group was using an SRS? Why? Choose the correct answer below.
b. What kind of sampling design do you think they used? Choose the correct answer below.
