22.
21 + 19 + 26 = 66.
66/3 = 22.
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By adding all of the numbers together and dividing the total by 2.27+26+22+21+24 = 120120/2 = 60
20.37 is the mean.
mean is the same as average, soo... first add all of the numbers together 12+16+18+24+26+30=126 then divide by the number of numbers 126÷6=21
The range of those numbers, the difference between the smallest and largest, is 35 - 21 = 14.
Average is the sum of numbers divided by n. It is also called the mean average.Here is an example to find the average of numbers:Let's say you want to find the average of four numbers, 26, 14, 11, and 9.First you need to add up those 4 numbers. 26 + 14 + 11 + 9 = 60.Then you need to divide the result (60), by the numbers of numbers there are, in this case 4, because there are four numbers you want to find the average.60 divided by 4 = 15, so the average of the numbers 26, 14, 11, and 9 is 15.