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प्रश्न
In a series of observations, coefficient of variation is 25 and mean is 20, then the variance is ______.
पर्याय
49
8
16
25
MCQ
रिकाम्या जागा भरा
उत्तर
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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