The daily income of a sample of 50 employees are tabulated as follows.

Find the mean daily income of employees.

There are 50 workers in a small industry. The dialy income of them is Rs. 9 Amongst them, the daily income of the 30 workers, working in the morning is Rs. 8 . Then find the daily average income of workers working in the evening.

In a business hourse, the weekly salaries of 30 employees are given below : Find the arithmetic mean of the bonus of the employees.

The average daily income of 7 men, 11 women and 2 boys is Rs. 257.50 . If the average daily income of the men that of women and the average daily income of the women is Rs. 10 more than that of boys, the average daily income of a man is:

Weekly income of 600 families is tabulated below. Calculate the median income.

12% of the employees in a factory are females and the number of male employees is 264. Find the total number of employees. Also, find the number of female employees.

12% of the employees in a factory are females and the number of male employees is 264. Find the total number of employees.Also,find the number of female employees.

a public Opinion polling agency surveyed 200 government employees . The following table shows the ages of the employees interviewed: Calculate the mean age of the employees interview.

The mean and S.D. of the income of the employers of two banks are as follows: Compare the coefficient of variation of the income of the employees of the two banks.