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答There are several ways to calculate the average of a set of numbers. One common method is to add up all the numbers in the set and then divide by the total number of numbers in the set. This is known as the arithmetic mean.For example, lets say we have the following set of numbers: 5, 7, 9, 12, 15.To find the average, we add up all the numbers: 5 + 7 + 9 + 12 + 15 = 48.Then we divide the sum by the total number of numbers in the set, which is 5: 48 / 5 = 9.6.So the average of the set of numbers is 9.6.
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