Calculating an average is done in two steps:
- First: you calculate the sum of the terms whose average you would like to calculate.
- Second: you divide the sum of the terms by their number.
In your case:
- First: 10 + 6 + 12 = 28
- Second: 28 / 3 = 9.33333....
3 is the number of terms added together which are: 10, 6 and 12 (3 numbers).
Answer: Therefore your average is: 9.33333....
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6 3 6 10 17 12
5 6 7 10 4 15 12
6 + 9 + 12 + 5 + 18 = 50 There are five numbers being averaged, so…. 50 divided by 5 equals an average of 10
The average of 12, 6 & 24 = (12+6+24)/3 = 42/3 = 14.
Mean = Average of all numbers5 + 14 + 7 + 4 + 12 + 6 + 14 + 6 + 18 + 12 = 9898/10 = 9.8Mean = 9.8