Add together all the values and divide the sum by the number of values.
For example, to find the average of 1, 2 and 9.
Sum of 1, 2 and 9 = 12
Number of values = 3
So average = 12/3 = 4
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the mean (in math) is the average of all the numbers in the problem
The average is the sum of a set of numbers divided by the number of numbers in the set.
The mean is the average. You add all the numbers up, then divide it by however many numbers you added. That is the mean (average.)
19.86 - 4.94 math problem = 14.919999999999998
The product is the "sum" of a multiplication math problem.