Sarah will collect data to find out where the local Scout troops want to hold their end-of-the-year

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Question:

Sarah will collect data to find out where the local Scout troops want to hold their end-of-the-year picnic. Which group should Sarah survey to collect the most accurate result?The first 10 students to walk into her next scout meetingA random selection of of Scout troops in her areaAll the students at her schoolA random selection of members from only her troop