Published by:
CGP EDU Academic Team
Published on: August 13, 2026
The S.D. of a variate x is σ σ . The S.D. of the variate 
where a , b , c are constant, is
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
B
Let 
i.e., 
i.e. , 
, where 
, 
∴ ∴ 
∴ ∴ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
Thus, new S.D. 
.
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