In an industrial establishment, the coefficients of variation of wages of male and female workers were `55%` and `70%` respectively. The standard deviations were Rs. 22 and Rs. 15.40 respectively. Calculate the combined average wages for all workers if `80%` of the workers were male.

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

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

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 mean, median and the coefficient of variation of a distribution are respectively 45, 42 and 40%. Find the standard deviation, mode and coefficient of skewness.

The average salaries of the male and the female workers in a factory are Rs.5200 and Rs.4200 respectively.If the average salary of all of the workers is Rs.5000,then find the percentages of the male and female workers in the factory.

For a group of 50 male workers, the mean and the standard deviation of their daily wages are Rs. 630 and Rs. 90 respectively and for a group of 40 female workers these are Rs. 540, and Rs . 60 respectively. Then, the standard deviation of all these 90 workers is

Amit and Bhola are partners in a firm. They share profits in the ratio of 3:2. As per their partnership agreement, interest on drawings is to be charged @ 10% p.a. Their drawings during 2017 were Rs. 24,000 and Rs. 16,000, respectively. Calculate interest on drawings based on the assumption that the amounts were withdrawn evenly, throughout the year.