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      Question

      For frequency distribution presentation , which option

      is wrong.
      A Bar graph presents score categories that are measured from a nominal or an ordinal scale Correct Answer Incorrect Answer
      B In polygon, an additional line is not drawn at each end to bring the graph back to a zero frequency Correct Answer Incorrect Answer
      C In a histogram, a bar is centered above each score ( or class interval) so that the height of the bar corresponds to the frequency Correct Answer Incorrect Answer
      D The smooth curve emphasizes the fact that the distribution is not showing the exact frequency for each category. Correct Answer Incorrect Answer

      Solution

      The correct answer is B

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