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Question: Find the arithmetic mean of the following number, 5, 8, 6, 4, 9, 4, 3, 8 and 9
The arithmetic mean of a set of numbers is calculated by adding all numbers in the set and then dividing by the quantity of numbers in that set. So first we will add all the numbers: 5 + 8 + 6 + 4 + 9 + 4 + 3 + 8 + 9 = 56 There are 9 numbers in the set, so now we will divide the sum by the number of elements: 56 ÷ 9 = 6.22 (rounded to the nearest hundredth) So, the arithmetic mean of the numbers is approximately 6.22.
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