Question

The mean monthly salary of 80 male and 20 female employees of a company are 1560 & 1260 respectively. What is the mean salary of all employees?

Answer 1

Answer:

it's answer is 1572.6

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Answer 2

Answer:

The mean salary of all employees is 28.2.

Given:  

The mean monthly salary of 80 male and 20 female employees of a company are 1560 & 1260 respectively.

To find:  

the mean salary of all employees

Solution:

Total salary of the employees including male an female = 1560 + 1260 = 2820

Total number of employees (male and female) = 80 + 20 = 100

Mean salary of all the employees  $= \frac{2820}{100} =28.2$

Result:

The mean salary = 28.2.