Mean Variance Mean Deviation (Jee Mains) | ExamDuo
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Dispersion and Variance
Medium
Mean Variance Mean Deviation
Number -3, 4, 7, -6, α, β
Mean = 2, Variance = 23, then
Mean deviation about mean equals to
SELECT ONE OPTION
A
13
8
B
13
3
C
13
7
D
13
9
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