If the coefficient of variation of certain distribution is 60 and their standard deviation is 21,then its mean is

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Solution

The correct option is C
35

Coefficient of variation =

$\frac{σ}{x} \times 100 60 = \frac{21}{x} \times 100 \Rightarrow ¯ X = 35$

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If the coefficient of variation of certain distribution is 60 and their standard deviation is 21,then its mean is

The correct option is C 35 Coefficient of variation = σx×10060=21x×100⇒¯X=35

The correct option is C
35

Coefficient of variation =

$\frac{σ}{x} \times 100 60 = \frac{21}{x} \times 100 \Rightarrow ¯ X = 35$