1.

Let r be the range of n(AA n ge 1) observations x_(1), x_(2), ...., x_(n). If S= sqrt((sum_(i=1)^(n)(x_(i)-bar(x))^(2))/(n-1)), then

Answer»

`S LT R SQRT((n^(2)+1)/(n-1))`
`S ge r sqrt((n)/(n-1))`
`S = r sqrt((n)/(n-1))`
`S lt r sqrt((n)/(n-1))`

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