Let bar(x) and M.D be the mean and the m...

Let `bar(x)` and M.D be the mean and the mean deviation about `bar(x)` of n observations `x_(p) , i=1,` 2 . . . . . n . If each of the observation is increased by 5, then the new mean deviation about the new mean, respectively are .

A

`bar(x) , M.D`

B

`bar(x) + 5, M.D`

C

`bar(x), M.D. + 5`

D

`bar(x) - 15 , m M. D. + 5`

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The correct Answer is:

B

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