If the coefficient of variation of two series are 75% and 90% and their standard deviation 15 and 18, then their mean is

The coefficient of variation of two series are 70 and 90 and their standard deviation are 17.5 and 18 respectively.The mean of two series are

If the coefficient of variation of some observation is 60 and their standard deviation is 20, then their mean is

Coefficent of variation of two distributions are 60% and 75%, and their standard deviations are 18 and 15 respectively. Find their arithmetic means.

Coefficient of variation of two distributions are 60% and 70% and their standard deviations are 21 and 16 respectively.What are their arithmetic means?

Coefficient of variation of two distributions are 55 and 65 and their standard deviation are 22 and 39 respectively. Their arithmetic means are respectively

Coefficient of variation of two distributions are 60 and 70, and their standard deviations are 21 and 16, respectively.What are their arithmetic means.

If the coefficient of variation of a distribution is 45% and the mean is 12, then its standard deviation is

The coefficient of variation of a series is 58. The standard deviation is 21.2. What is the arithmetic mean?