CV=σxˉ×100C V=\frac{\sigma}{\bar{x}} \times 100CV=xˉσ×100
CV=xˉσ×100C V=\frac{\bar{x}}{\sigma} \times 100CV=σxˉ×100
CV=σ2xˉ×100C V=\frac{\sigma^{2}}{\bar{x}} \times 100CV=xˉσ2×100
CV=σx−2×100C V=\frac{\sigma}{x^-2} \times 100CV=x−2σ×100
