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CGP EDU Academic Team
Published on: August 14, 2026
The variance of 20 observations is 5. If each one of the observations is multiplied by 2 , then the variance of the resulting observations is
Text Solution
Verified by ExpertsThe correct answer is:
C
Variance 
and 
Let after multiplication, the new observations be 
Where 
for some 
……(ii)
New variance 
where 
New variance 
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