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When is the coefficient of variation a better measure of risk than the standard deviation?

Short Answer

Expert verified

The coefficient of variation is better than the standard deviation when the company wants to compare investments of different sizes.

Step by step solution

01

Definition of the standard deviation

Standard deviation is defined as the statistic tool which measures the dispersion of a dataset relative to its mean.

02

Coefficient of variation is a better measure of risk than the standard deviation

The coefficient of variation is a relative measure that allows for the related standard deviation to the mean but on the other hand, the standard deviation is an absolute measure of dispersion. The coefficient of variation is better than the standard deviation in the case when the company wants to consider the relative size of the standard deviation or wants to compare two or more investments of different sizes.

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