If standard deviation & mean of a data set is 25 and 125, then find the coefficient of variance .

\(\frac{2}{5}\) \(\frac{1}{5}\) \(\frac{3}{5}\) \(\frac{4}{5}\)

\(\frac{1}{5}\)

Coefficient of variance = \(\frac{standard\;deviation}{mean}\) = \(\frac{25}{125}\) = \(\frac{1}{5}\)