aishastarling1 aishastarling1
  • 11-08-2016
  • Mathematics
contestada

How do you calculate an average?

Respuesta :

malkies
malkies malkies
  • 11-08-2016
You add all the numbers up and then divide the sum by how many numbers you started off with.

So let's say you took 5 tests and these are the marks you got:
95
97
93
84
74

Then, you want to calculate the average:
You add up all the numbers- 443. Then, you divide 443 by 5. That is 88.6. You round it up to 89 and that is your average.

Hope that helped!
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