A sociologist studying freshmen at a major university carried out a survey, aski

Question

A sociologist studying freshmen at a major university carried out a survey, asking, among other questions, how often students went out per week, how many hours they studied per day, and how many hours they slept at night. Which strategy will provide a simple random sample?

A)Using the class list of the introductory class and randomly selecting a fraction of the students enrolled.

B)Using all the students in the class because, after all, they resemble typical students at the university.

C)Contacting the registrar and obtaining a list of all freshmen, from which a random sample will then be selected.

D)Using the enrollment list of the introductory class and selecting all the freshmen.

Explanation / Answer

C)Contacting the registrar and obtaining a list of all freshmen, from which a random sample will then be selected.

Since we are interested in studying freshman at a major university and not interested in the introductry class so we can take out A and D as possible answers.B) option can give biasnes to our sample since we are taregting a single class.

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