10
If you mean: 8 9 10 11 and 12 then the average mean is 10
50
6 + 9 + 12 + 5 + 18 = 50 There are five numbers being averaged, so…. 50 divided by 5 equals an average of 10
5+7+9+12+12 = 45 and 45/5 = 9 which is the mean average
10
10
The average is 10.
(10 + 12 + 9) ÷ 3 = 10.33 to two decimal places.
The average is 10... 11+11+9+7+12=50... 50/5=10
To find the average of a set of numbers, you add all the numbers together and then divide by the total number of values. In this case, the sum of 8, 9, 10, 11, and 12 is 50. To find the average, you divide 50 by the total number of values, which is 5. Therefore, the average of 8, 9, 10, 11, and 12 is 10.
If you mean: 8 9 10 11 and 12 then the average mean is 10
A Possible Answer could be: 70 9 12 12 10 5 1
8+10+12=30 30/3=10 10 is the average of 8 12 and 10 If that's 812 and 10, the average is 411. If that's 8, 12 and 10, the average is 10.
8+10+12=30 30/3=10 10 is the average of 8 12 and 10 If that's 812 and 10, the average is 411. If that's 8, 12 and 10, the average is 10.
50
6 + 9 + 12 + 5 + 18 = 50 There are five numbers being averaged, so…. 50 divided by 5 equals an average of 10