In manufacturing company, the number of employees in unit A is 40, the mean is U

Question

In manufacturing company, the number of employees in unit A is 40, the mean is USD $6400 and the number of employees in unit B is 30 with the mean of Rs. 5500 then the combined arithmetic mean is

Options:

A . 9500

B . 8000

C . 7014.29

D . 6014.29

Answer: Option D
Answer: (d).6014.29

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