# Q. 5    Find the mean salary of 60 workers of a factory from the following table:

 Salary ( in Rs)(xi) Number of workers(fi) fixi 3000 16 48000 4000 12 48000 5000 10 50000 6000 8 48000 7000 6 42000 8000 4 32000 9000 3 27000 10000 1 10000 Total $\sum_{i=1}^{8}f_{i}=60$ $\sum_{i=1}^{8}f_{i}x_{i}=305000$

The mean of the above data is given by

$\\\bar{X}=\frac{\sum_{i=1}^{8}f_{i}x_{i}}{\sum_{i=1}^{8}f_{i}}\\ \bar{X}=\frac{305000}{60}\\ \bar{X}=5083.33$

The mean salary of the workers working in the factory is Rs 5083.33

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