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* Mean = Average (Mean means Average)
You add the set of numbers together and then divide the number of numbers in the set.
For example...
If you had a set of numbers 75, 85, 65, 53 and 77, you add up all the numbers which equals 355. Then you divide 355 by 5 because there is 5 numbers in the example at the top (the 5 numbers are 75, 85, 65, 53 and 77). Your answer will be 71. That's how you do mean in math.
Wiki User
∙ 12y ago
Wiki User
∙ 9y agoSum together all the observations.
Count the number of observations.
Divide the sum by the count.
Add your answer:
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