2) Suppose that a student wishes to find out what Saint Rose students think about the Saint Rose smoking policy. a) If you asked 30 students at the cafeteria that you know, what kind of sample would that be? Would it be unbiased?

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2) Suppose that a student wishes to find out what Saint Rose students think about the
Saint Rose smoking policy.
a) If you asked 30 students at the cafeteria that you know, what kind of sample
would that be? Would it be unbiased?
b) Suppose you got a numbered listing of all Saint Rose students and used an
external randomization procedure to select 30 of them. What kind of sample is
this? Would it be unbiased?
c) If you put up a general call for students to respond on the Saint Rose website,
what kind of sample is this? Is it unbiased?
Transcribed Image Text:2) Suppose that a student wishes to find out what Saint Rose students think about the Saint Rose smoking policy. a) If you asked 30 students at the cafeteria that you know, what kind of sample would that be? Would it be unbiased? b) Suppose you got a numbered listing of all Saint Rose students and used an external randomization procedure to select 30 of them. What kind of sample is this? Would it be unbiased? c) If you put up a general call for students to respond on the Saint Rose website, what kind of sample is this? Is it unbiased?
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