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malfutka [58]
3 years ago
12

The mean of eight numbers is 83. the mean of another four numbers is 14. find the mean of the combined set of numbers.

Mathematics
1 answer:
vladimir2022 [97]3 years ago
8 0
Total numbers =8+4=12
mean= \frac{83*8+14*4}{8+4}mean= \frac{664+56}{12} 
= \frac{720}{12} 
=60
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