જો n અવલોકનો x1, x2, …….., xn, નો મધ્યક ...

જો n અવલોકનો `x_1, x_2, …….., x_n,` નો મધ્યક `overlinex` હોય તો `sum_(i=1)^n=(x_i - overlinex)` નું મૂલ્ય ................. છે.

A

-1

B

0

C

1

D

n - 1

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