Mathematics
Shown below is a table illustrating the monthly income distribution in a company with 100 employees.
| Monthly income (in ₹ 10,000) | Number of employees |
|---|---|
| 0-4 | 55 |
| 4-8 | 15 |
| 8-12 | 06 |
| 12-16 | 08 |
| 16-20 | 12 |
| 20-24 | 4 |
Using step-deviation method, find the mean monthly income of an employee.
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