Coefficient of Variation Calculator Widget

Choose raw observations or known summaries, then match the SD basis. Relative interpretation needs a meaningful zero.

Starting information

Observations (required)

Known mean (required)

Known standard deviation (required)

Standard deviation basis (required)

Scale and optional model Hide optional settings

Measurement scale

Normal-model sample adjustment

Sample size for adjustment (required)

CV ratio

—

Percentage CV —

Relative standard deviation —

Scale and basis —

Show calculation details Hide calculation details

Dataset or supplied summary

Dataset or supplied summary —

Relative-spread working

Relative-spread working —