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Mean is the average number in a set of data. To calculate mean, you add up all the numbers in a set of data and divide that sum by the amount of numbers you just added up. Example:
numbers: 2, 2, 1, 3
2+2+1+3=8
How many numbers in the set? There are 4 so you divide the sum we just found by 4.
8 divided by 4=2
The mean/average of this set of data is 2.
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∙ 14y ago
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