Total of the numbers divided by the numbers of times the figures appear
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The average of a set of numbers is the sum of the numbers in the set divided by the number of elements in the set.
First, you add all of the numbers in the set together. Then, you divde the sum by however many numbers there are in the set of data. Your quotient is the average/mean.
To find the average of a set of numbers, add all of the numbers together and then divide the total by the numbers in the set. In this case, add 50, 48 and 47 together, getting 145. Now divide this number by 3 and you get 48.3333. Round off this number to 48.33 and that is your average.
To find the average of a set of numbers, you add all the numbers together and then divide by the total count of numbers. In this case, the sum of 2.20, 2.50, and 1.30 is 6.00. Since there are three numbers in the set, you would divide 6.00 by 3 to find the average, which is 2.00.
If you have to find a median in a set of numbers in which there are an even number of entries, you must find the average of the two numbers the come in the middle.