Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Let r be the range and 
be the S.D. of a set of observations 
, then
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
A
We have 
and 
Now, 
,
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
⇒ ⇒ 
.
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