Published by:
CGP EDU Academic Team
Published on: August 23, 2026
A data consists of 20 observations 
. If 
and 
, then the ratio of mean to standard deviation of this data is :
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
… (1)
… (2)
on (1) - (2) 
mean, 
(1) + (2) 
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