Observations Mean Variance (Jee Mains) | ExamDuo
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Dispersion and Variance
Medium
Observations Mean Variance
Let the Mean and Variance of five observations x
1
= 1, x
2
= 3, x
3
= a, x
4
= 7 and x
5
= b, a > b, be 5 and 10 respectively. Then the Variance of the observations n + x
n
, n = 1, 2, …….. 5 is
SELECT ONE OPTION
A
17
B
16.4
C
17.4
D
16
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