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To work out the mean average you need to add up all the numbers and then divide the answer by the amount of numbers that you have added up

E.g.

6,2,5,3,9

6 + 2 + 5 + 3 + 9 =25

25 divided by 5 = 5

So 5 is the mean average

This is because the numbers add together to make 25! We need to divide the numbers by 5 because there are 5 numbers in the sum. so 25 divided by 5 equals 5

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14y ago

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