A) 2
B) 2.57
C) 3
D) 3.75
Correct Answer: B
Solution :
(b): here; mean = \[\therefore \] Required M.D. \[=\frac{1}{7}\left\{ \begin{align} & |3-7|+|10-7|+|10-7|+|4-7| \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,+|7-7|+|10-7|+|5-7| \\ \end{align} \right\}\] \[=\frac{18}{7}=2.57\]You need to login to perform this action.
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