n प्रेक्षणों x(1), x(2),....,x(n) का उनक...

n प्रेक्षणों `x_(1), x_(2),....,x_(n)` का उनके माध्य `bar(x)` के सापेक्ष माध्य विचलन है:

A

`Sigma_(i=1)^(n) (x_(i)- bar(x))`

B

`(1)/(n) Sigma_(i=1)^(n) |x_(i)- bar(x)|`

C

`Sigma_(i=1)^(n) (x_(1)- bar(x))^(2)`

D

`(1)/(n) Sigma_(i=1)^(n) (x_(i)- bar(x))^(2)`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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