Of the two sets of income distribution of five and seven persons respectively, as given below calculate standard deviation:

The diameter of circles (in mm) drawn in a design are given below. Calculate the standard deviation.

The probability distribution of a random variable x is given below: What is the standard deviation of x?

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

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

For the probability distribution given by the standard deviation (sigma) is

The rainfall recorded in various places of five districts in a week are given below. Find its standard deviation.

Variance (sigma^(2)) and the coefficient of variation (CV) of two distributions are given below. (i) Compute the standard deviations of the given distributions. (ii) What are their means?

For the probability distribution given by The standard deviation (sigma) is