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s8eibritaHorazz1yla s8eibritaHorazz1yla
  • 29-01-2017
  • Mathematics
Answered

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

Verified Answer :

surjithayer surjithayer
  • 29-01-2017

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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