1.

Find the mean deviation using meadian from the following data:

Answer»

SOLUTION :
Here `N=195`(ODD)
MEDIAN `M=(N+1)/2` TH term
`=(195+1)/2` th term
`=98` th term `=50`
Mean DEVIATION `=(sumf_(i)|x_(i)-M|)/(sumf_(i))`
`=2750/195=14.10`


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