If the S.D. of a variable \( X \) is \( \sigma \), then theS.D. of \( \frac{a X+b}{c}(a, b, c \)...

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If the S.D. of a variable \( X \) is \( \sigma \), then theS.D. of \( \frac{a X+b}{c}(a, b, c \) are constant), is
(A) \( \frac{a}{c} \sigma \)
(B) \( \left|\frac{a}{c}\right| \sigma \)
(C) \( \left|\frac{c}{a}\right| \sigma \)
(D) \( \frac{c}{a} \sigma \)
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