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The mean and S.D. of the income of the employers of two banks are as follows: Compare the coefficient of variation of the income of the employees of the two banks. |
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Answer» Solution :For bank A `barx_(1)=3200` `sigma_(1)=160` C.V. `=(sigma_(1))/(barx_(1))xx100=160/3200xx100=5` For bank B `barx_(2)=3500` `sigma_(2)=140` C.V. `=(sigma_(2))/(barx_(2))xx100=140/3500xx100=4` Hence the coefficient of variation for bank A's employees is more. |
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