38% of adults in the United States

38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 randomly selected members of her college. What is wrong with her survey?
small sample

loaded question

bad sample

nonresponse

0/5000

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Results (Vietnamese) 2:[Copy]

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38% người trưởng thành ở Hoa Kỳ thường xuyên ghé thăm một bác sĩ ". Kết luận này đã đạt được một sinh viên đại học sau khi cô đã hỏi 520 thành viên được chọn ngẫu nhiên từ đại học của cô. Điều gì là sai với cuộc điều tra của mình?
Mẫu nhỏ

câu hỏi nạp

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nonresponse

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Results (Vietnamese) 3:[Copy]

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