Coefficients of variation of two distribution are 15 and 20 and their means are 20 and 10 respectively. If their standard deviations are sigma_1 and

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Coefficients of variation of two distribution are 15 and 20 and their means are 20 and 10 respectively. If their standard deviations are sigma_1 and sigma_2 then
A. 3sigma_1=2sigma_2
B. sigma_1 lt sigma_2
C. 2sigma_1 =3sigma_2
D. None of these

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