You want to estimate the proportion of La Jolla College students who eat at the

Question

You want to estimate the proportion of La Jolla College students who eat at the cafeteria. a. If you mail out a survey, that would be a ___________________________ sample. b. To obtain a representative sample, would it be better to ask at the cafeteria or at the administration building. You want to estimate the proportion of La Jolla College students who eat at the cafeteria. a. If you mail out a survey, that would be a ___________________________ sample. b. To obtain a representative sample, would it be better to ask at the cafeteria or at the administration building. You want to estimate the proportion of La Jolla College students who eat at the cafeteria. a. If you mail out a survey, that would be a ___________________________ sample. b. To obtain a representative sample, would it be better to ask at the cafeteria or at the administration building.

Explanation / Answer

a. If you mail out a survey, that would be a VOLUNTARY sample. (As the people who take the survey will do it voluntarily.

b.

To obtain a representative sample, to estimate the proportion, it is better to ask at the cafeteria AND at the administration building.

The proportion will be = Total number of students eating in the cafeteria /Total number of students enrolled

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