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The coefficient of variations of two series are 58% and 69% and their standard deviation are 21.2 and 15.6. What are their means?

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Cv=s*100/mean 1st series : 58=21.2*100/mean Mean=21.2*100/58=36.55(approx) 2nd series Same way the answer will be22.61(approx)
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CV= (s.d./mean)*100 % So, in this case, the respective means are approx. 36.55 and 22.61
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