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38% of adults in the United States regularly visit a doctor. This conclusion was reached by a college student after she had questioned 520 people

"38% of adults in the United States regularly visit a doctor". This conclusion was reached by a college student after she had questioned 520 people at her college.

  • Describe a method for creating a voluntary response sample of 520 people at her college.
  • Can conclusions Based on the this data be used to generalize to the larger population?
  • Describe a method for creating a simple random sample of 520 people at her college.

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