In the formula $\bar{x} = A + \frac{\Sigma f_{i} d_{i}}{\Sigma f_{i}}$,$d_{i} =$ .........

  • A
    $x_{i} - A$
  • B
    $\bar{x} - A$
  • C
    $\Sigma x_{i} - A$
  • D
    $\Sigma x_{i} f_{i} - n$

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