Coefficient of Variation: Mean 200, SD 20
A mean of 200 and standard deviation of 20 yields a coefficient of variation of 10%, consistent with low relative spread.
How to use this tool
- Enter mean (μ or x̄) and standard deviation (σ or s) in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your coefficient of variation (%) and the full breakdown beneath it.
Compute the coefficient of variation for investment returns or test scores with mean 200 and standard deviation 20.
Frequently asked questions
- When is CV useful?
- CV is useful when comparing variability between datasets with different means or units. A CV of 20% means the standard deviation is 20% of the mean. Lower CV indicates more consistency.