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      Question

      Which of the following measures of dispersion is based

      on the variance of a dataset? 
      A Range Correct Answer Incorrect Answer
      B Standard deviation Correct Answer Incorrect Answer
      C Mean absolute deviation Correct Answer Incorrect Answer
      D Quartile deviation Correct Answer Incorrect Answer

      Solution

      The standard deviation is based on the variance of a dataset, and it is calculated as the square root of the variance.

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