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To find both the mean salary and the total salary of the employees based on the given data, let's proceed with the calculations:

1. **Total Salary Calculation:**
   Multiply the number of employees at each salary level by the respective salary and then sum up these products to get the total salary expense.

2. **Mean Salary Calculation:**
   The mean salary is the total salary expense divided by the total number of employees (84 in this case).

Here's the detailed calculation:

### Salary Distribution:
- 4 employees earn ₹2430 each
- 28 employees earn ₹2590 each
- 31 employees earn ₹2870 each
- 16 employees earn ₹3390 each
- 3 employees earn ₹4720 each
- 2 employees earn ₹5160 each

### Total Salary Calculation:
- Total for ₹2430 earners: 4 employees × ₹2430 = ₹9720
- Total for ₹2590 earners: 28 employees × ₹2590 = ₹72,520
- Total for ₹2870 earners: 31 employees × ₹2870 = ₹88,970
- Total for ₹3390 earners: 16 employees × ₹3390 = ₹54,240
- Total for ₹4720 earners: 3 employees × ₹4720 = ₹14,160
- Total for ₹5160 earners: 2 employees × ₹5160 = ₹10,320

### Summing up the totals to get the overall total salary:
- Total salary = ₹9720 + ₹72,520 + ₹88,970 + ₹54,240 + ₹14,160 + ₹10,320

### Mean Salary Calculation:
- Mean salary = Total salary / Total number of employees (84)

Let's perform these calculations.The total salary of the employees is ₹249,930, and the mean salary is approximately ₹2,975.36.

Would you like more details on this calculation or have any other questions? Here are some additional aspects you might consider:

1. How does the median salary compare to the mean salary?
2. What is the mode of the salaries for the employees?
3. How would the total and mean salary change if the number of highest earners increased?
4. Can you provide a salary distribution visualization?
5. How does the variation in salaries affect employee satisfaction and turnover?

**Tip:** When dealing with salary data, it's beneficial to also calculate the median and mode to better understand the distribution and central tendency, as the mean can sometimes be misleading due to extreme values.

In an office, there are 84 employees. Their salaries are given as: 
- Salary: ₹2430, Employees: 4 
- Salary: ₹2590, Employees: 28 
- Salary: ₹2870, Employees: 31 
- Salary: ₹3390, Employees: 16 
- Salary: ₹4720, Employees: 3 
- Salary: ₹5160, Employees: 2 

Find the mean salary of the employees and the total salary of the employees.

Learn how to calculate the mean and total salary of 84 employees with given salary distributions. This involves using the formulas for weighted average and total salary, suitable for students in Grades 9-10.

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