The formula to find the median of a grouped data is $\ldots \ldots \ldots \ldots .$

  • A
    $M = 3Z - 2\bar{x}$
  • B
    $M = l + \left( \frac{\frac{n}{2} - cf}{f} \right) \times h$
  • C
    $M = l + \left( \frac{\frac{n}{2} - cf}{f_1 - f_2} \right) \times h$
  • D
    $M = l + \left( \frac{f_1 - f_0}{2f_1 - f_0 - f_2} \right) \times h$

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