C.V. of a data is 69%, S.D. is 15.6, then find its mean.

S.D. of a data is 21.2, mean is 36.6, then find its C.V.

If the coefficient of variation of a distribution is 60 and its is s.d. is 21, then find its arithmetic mean

If the coefficient of variation of a distribution is 60 and its is s.d. is 21, then find its arithmetic mean

The co-eff. Of variation of a data is 58%, S.D. of the data is 2.32 then the A.M. of the data is

If the ratio of mode and median of a certain data is 6:5, then find the ratio of its mean and median.

If the ratio of mode and median of a certain data is 6:5, then find the ratio of its mean and median.

If the coefficient of variation of a collection of data is 57 and its standard deviation is 6.84 , then find the mean.

Co-efficient of variance of one data is 45% and mean is 12 then S.D. is 5.4