700000 + 40000 + 3000 + 200 + 80 + 7=

The monthly salaries in ? of 30 workers in a factory are given below:5000, 7000, 3000, 4000, 4000, 3000, 3000, 3000,8000, 4000, 4000, 9000, 3000, 5000, 5000, 4000,4000, 3000, 5000, 5000, 6000, 8000, 3000, 3000,6000,7000,7000,6000, 6000,4000 From the above data find the mean of monthly salary.

The monthly salaries in Rs. of 30 workers in a factory are given below:5000, 7000, 3000, 4000, 4000, 3000, 3000, 3000,8000, 4000, 4000, 9000, 3000, 5000, 5000, 4000,4000, 3000, 5000, 5000, 6000, 8000, 3000, 3000,6000,7000,7000,6000, 6000,4000 From the above data find the mean of monthly salary.

1250 500 200 80 32 12.8 ?

9 : 80 : : 7: ?

9: 80 :: 7 :?