6 + 9 + 12 + 5 + 18 = 50
There are five numbers being averaged, so….
50 divided by 5 equals an average of 10
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(18 + 12) ÷ 6 = 5
Mean = Average of all numbers5 + 14 + 7 + 4 + 12 + 6 + 14 + 6 + 18 + 12 = 9898/10 = 9.8Mean = 9.8
There are probably tens of such sets. Some are: 5, 6, 7, 7, 8, 11, 13, 14, 15, 16, 17, 18 5, 6, 7, 7, 7, 12, 12, 14, 15, 16, 17, 18 5, 6, 7, 7, 7, 12, 12, 14, 14, 16, 17, 18 5, 6, 7, 7, 7, 12, 12, 14, 14, 15, 17, 18 5, 6, 7, 7, 7, 12, 12, 14, 15, 15, 17, 18 5, 6, 7, 7, 7, 12, 12, 14, 15, 16, 16, 18 5, 6, 7, 7, 7, 12, 12, 14, 14, 16, 16, 18
This process enables you to find the "mean" or "average" of a set of values. Example. 12, 7, 5, 1, -3, -4 We have a set of 6 values (numbers) When these 6 numbers are summed : 12 + 7 + 5 + 1 +(-3) + (-4) = 18 Then 18 ÷ 6 = 3..........and 3 is the mean (average) of this set of numbers.
36+(18+12)/6 = 36+30/6 = 36+5 = 41