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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class11  >>  Statistics
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Q)

The standard deviation of -1, -2, -3, -4, -5, -6, -7 is

$\begin {array} {1 1} (A)\;2 & \quad (B)\;4 \\ (C)\;-2 & \quad (D)\;-4 \end {array}$

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