Counselors at a college want to poll students about how much time the students spend studying. Which of the following best describes a systematic sample of students?   A. The counselors take a list of the students and select every 6th student until 60  students are selected.   B. The students living in a particular dorm building on campus are easily accessible. So, the counselors select the  60 students living in that particular dorm building.   C. The counselors form groups of 12 students based on the students' majors. Then, the counselors select all of the students in 5 randomly chosen groups.

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