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If the standard deviation of x(1),x(2),....

If the standard deviation of `x_(1),x_(2),...x_(n)` is "3.5," then the standard deviation of `-2x_(1)-3,-2x_(2)-3,......,-2x_(n)-3` is

A

`-7`

B

9

C

7

D

`2.45`

Text Solution

Verified by Experts

The correct Answer is:
C
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