Coefficient of Variation Calculator
Calculate the coefficient of variation as standard deviation relative to the absolute mean.
Calculate the coefficient of variation as standard deviation relative to the absolute mean.
Move between confidence intervals, sample size, standard error, relative variability, correlation, regression and prediction error.
Calculate a z-based confidence interval for a population mean from a sample mean, standard deviation and sample size.
Open calculatorEstimate the required sample size for a population proportion from a z critical value, expected proportion and margin of error.
Open calculatorCalculate the standard error of a sample mean from standard deviation and sample size.
Open calculatorCalculate the coefficient of variation as standard deviation relative to the absolute mean.
Calculate Pearson's correlation coefficient from summary statistics.
Open calculatorCalculate the slope and intercept of a simple linear regression from summary statistics.
Open calculatorCalculate root mean squared error from the sum of squared errors and observation count.
Open calculatorCoefficient of Variation Calculator is an educational statistics and data-science tool for exploring a standard quantitative relationship.
Enter the requested values using the stated definitions. The calculator validates the numerical domain and applies CV% = s / |x̄| × 100.
Variables: x̄ = Mean; s = Standard deviation.
Example: x̄ = 50, s = 5 → CV = 10%.
It is intended for study, classroom exercises and quick exploration of the stated statistical relationship.
No. Sampling design, assumptions, data quality, dependence, distribution shape, bias and model diagnostics may materially affect a real analysis.
These sources are used to verify terminology, formulas, and information related to this calculator.