Absolute Difference Given Mean Variance (Jee Ma… | ExamDuo
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Dispersion and Variance
Medium
Absolute Difference Given Mean Variance
If the mean and variance of six observations 7,
10
,
11
,
15
,
a
,
b
are 10 and
20
3
, respectively,then the value of
|
a
−
b
|
is equal to :
SELECT ONE OPTION
A
9
B
11
C
7
D
1
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