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SAT Math Practice Exam

Category - Mathematics - Medium

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The principal of a high school would like to determine why there has been a large decline during the year in the number of students who buy food in the school?s cafeteria. To do this, 25 students from the school will be surveyed. Which method would be the most appropriate for selecting the 25 students to participate in the survey?
  1. Randomly select 25 students from the senior class.
  2. Randomly select 25 students from those taking physics.
  3. Randomly select 25 students from a list of all students at the school.
  4. Randomly select 25 students from a list of students who eat in the cafeteria.
  5. Give the survey to the first 25 students to arrive at school in the morning.
Explanation
Answer: C - Randomly select 25 students from a list of all students at the school.
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