The mean deviation of the following data about its mean is \begin{array}{|l|l|l|l|l|l|} \hlinex_i & 5 & 15 & 25 & 35 & 45 \\ \hlinef_i & 8 & 48 & 56 & 32 & 16 \\ \hline \end{array}

• A

  25
• B

  12
• Correct answer
  C

  8
• D

  16

Hence, the correct answer is option: 'C'.