it is when you add all the numbers in a set and the you divide by how many their
Example: 9, 6, 3
9+6+3=18
18 divided by 3= 6
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The word "mean" in math means the same thing as average. Mean is just a nickname for average.
the mean is the average
the mean is an average of a set of numbers
It refers to the average.
average means _ + _ = _ then you divide the sum by the amout of #'s in the problem.