1.

Two teams A and B have the same mean and their coefficients of variance are 4, 2 respectively. If sigma_(A), sigma_(B) are the standard deviations of teams A, B respectively then the relation between item is

Answer»

`sigma_(A) = sigma_(B)`
`sigma_(B) = sigma_(2A)`
`sigma_(A) = 2sigma_(B)`
`sigma_(B) = 4sigma_(A)`

ANSWER :C


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