Mathematics, 02.04.2021 16:40 kev71

A school principal wants to find out the opinion about the playground equipment from the students at the school. Which method produces the most representative sample for the survey? A Randomly survey 150 students playing out at recess. B Randomly e-mail 150 parents of students. C Mail surveys to all homes within 5 blocks of the school. D Survey each teacher in the building.

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Mathematics, 21.06.2019 23:40

Me d is also an option but i couldn't get it in the picture

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