Question

If quartile deviation of certain items is 20
and mean is 50, the coefficient of variation is
per cent.​

Answer 1

Answer:

Coefficient of Variation (CV)

If you know nothing about the data other than the mean, one way to interpret the relative magnitude of the standard deviation is to divide it by the mean. This is called the coefficient of variation. For example, if the mean is 80 and standard deviation is 12, the cv = 12/80 = . 15 or 15%.