In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.Which of the following best describes the parameter in this situation?
A. The 20% of students interviewed that favored the elimination of spring break.
B. The actual percentage of American college students that favor the elimination of spring break.
C. The percentage of American college students that undergraduates at the University of Miami (FL) represent.
D. The actual percentage of students at the University of Miami (FL) that favor the elimination of spring break.
E. none of these
Answer: B
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A. -10 + 
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A. 1
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C. 
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