S.D of two distributions are same and their arithmetic means are `30` and `25` respectively. If their coefficient of variations is `V_(1)` and `V_(2)`then `6V_(1)-5V_(2)` is equal to

The arithmetic means of two distributions are 10 and 15 and their S.D. are 2 and 2.5 respectively. Find their coefficient of variation.

The arithmetic means of two distributions are 20 and 35 and their S.D. are 5 and 7 respectively. Find their coefficient of variation.

Coefficients of variation of two distributions are 50 and 60, and their arithmetic means are 30 and 25, respectively. Difference of their standard deviations is a. 0 b. 1 c. 1.5 d. 2.5

The coefficient of variation of distributions are 50 and 60 and their arithmetic means are 30 and 25 respectively. The difference of their standard deviations is

Coefficients of variation of two distribution are 15 and 20 and their means are 20 and 10 respectively. If their standard deviations are sigma_1 and sigma_2 then

If the coefficient of variation of two distribution are 50 ,60 and their arithmetic means are 30 and 25 respectively then the difference of their standard deviation is

If the coefficients of variations for two distributions are 40 and 50 and their S.D. are 16 and 25 respectively. Find their means.

Two bodies A and B of same mass are moving with velocities v and 2v, respectively. Compare their momentum.

Coefficient of variation of two distributions are 60% and 70% and their standard deviations are 21 and 16 respectively. What are their arithmetic means?

The coefficient of variation of two distributions are 70 and 75 and their standard deviations are 28 and 27 respectively. The difference of their arithmetic means is