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      Question

      The data accumulated by a public safety officer who

      measures the speed of all the cars that pass a given point is referred to as _______ data.
      A questionnaire Correct Answer Incorrect Answer
      B observational Correct Answer Incorrect Answer
      C hypothetical Correct Answer Incorrect Answer
      D problematical Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Observational data is obtained by Watching, either mechanically or in person, how people behave.

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