Published by:
CGP EDU Academic Team
Published on: August 13, 2026
If the mean and variance of eight numbers 3, 7, 9, 12, 13, 20, 
and 
be 10 and 25 respectively, then 
is equal to …
Text Solution
Verified by ExpertsThe correct answer is:
54
(54)
Mean 
… (i)
Variance 
… (ii)
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