andresjohnston6
andresjohnston6 andresjohnston6
  • 17-04-2017
  • Mathematics
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math question down below

math question down below class=

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lexiedemetre
lexiedemetre lexiedemetre
  • 17-04-2017
So the mean is adding up all the numbers and dividing by how many numbers are there.
So, 11+15+19+17+23+20+17+13+18+21= 174
then divide by how many numbers there are.
There are 10 numbers
174 divided by 10 equals 17.4
So, your answer is 17.4inches.
Hope this helped :)
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