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The SD of a variate x is sigma. The SD o...

The SD of a variate x is `sigma`. The SD of the variate `(ax+b)//c`, where a, b, c are constants, is

A

`((a)/(c )) sigma`

B

`|(a)/(c )| sigma`

C

`((a^(2))/(c^(2)))sigma`

D

None of these

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The correct Answer is:
B
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