10 and 6; 15, 4, 13, 6, 6, and 4
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The mean average of a set of numbers is the sum of the numbers divided by how many of them there are. If there are 8 numbers with a sum of 2464, their mean average is 2464 ÷ 8 = 308.
The average of nine numbers is 99, that is tha the sum of those numbers was 99 x 9, which is 891. The average of 8 numbers is 89, that is that the sum of those numbers was 89 x 8, which is 712. So, 891 - 712 = 179 The number that was deleted was 179.
The average is the sum of all of the numbers in a data set DIVIDED by the number of numbers in the data set. Therefore, given the following set of numbers 5 5 7 8 10 The average would be (5 + 5 + 7 + 8 + 10) / 5 which will give you 7. so the average is 7
The average is the sum of a set of numbers divided by the number of numbers in the set.
You get the mean average of the numbers in the set.