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Question
In a series of observations, coefficient of variation is 25 and mean is 20, then the variance is ______.
Options
49
8
16
25
MCQ
Fill in the Blanks
Solution
In a series of observations, coefficient of variation is 25 and mean is 20, then the variance is 25.
Explanation:
`sigma/abs(barx)xx100=25` and `barx = 20`
⇒ σ = 5
⇒ σ2 = 25
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Coefficient of Variation
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