To survey the opinions of the students at your high school, a researcher plans to select every twenty-fifth student entering the school in the morning. Assuming there are no absences, will this result in a simple random sample of students attending your school?

To survey the opinions of the students at your high school, a researcher plans to select every twenty-fifth student entering the school in the morning. Assuming there are no absences, will this result in a simple random sample of students attending your school?



A) No, because not every sample of the intended size has an equal chance of being selected.

B) Yes, because 24 out of every 25 students who are not selected will form a control group.

C) Yes, because this is an example of systematic sampling, which is a special case of simple random sampling.

D) Yes, because every student has the same chance of being selected.

E) Yes, but only if there is a single entrance to the school.



Answer: no, because not every sample of the intended size has an equal chance of being selected


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