holymath1216
holymath1216 holymath1216
  • 11-09-2018
  • Mathematics
contestada

Please help me, also show me how to do this :)

Please help me also show me how to do this class=

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queeniquinn
queeniquinn queeniquinn
  • 13-09-2018

The average of the averages is . But the average of all numbers is ≃ . ... The average of averages is only equal to the average of all values in two cases: if the number of elements of all groups is the same; or.


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