# Coefficient of va

Given: Coefficient of variation of two distributions are 60% and 80% respectively, and their standard deviations are 21 and 16 respectively.

Need to find: Arithmetic means of the distributions.

For the first distribution,

Coefficient of variation (CV) is 60%, and the standard deviation (SD) is 21.

We know that,

For the first distribution,

Coefficient of variation (CV) is 80%, and the standard deviation (SD) is 16.

We know that,

Therefore, the arithmetic mean of 1st distribution is 35 and the arithmetic mean of 2nd distribution is 20.

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