The arithmetic mean of 10, 11, and 6 is 9.
Add them together then divide by 3.
Average = (6+9+10+11)/4 = 36/4 = 9
Average = Sum/Count = 30/3 = 10
The average of 6, 9, 10 and 11 is 9.
(18 + 18 + 11 + 7 + 6 + 11 + 10 + 20 + 7)/9= 12========The mean, also often called the "average", is1/9 of (18 + 18 + 11 + 7 + 6 + 11 + 10 + 20 + 7)
Sum/Count = 66/11 = 6
11
11+9=20 20/2=10 average:10
Average = (4 + 6 + 11)/3 = 21/3 = 7
The average is 11.
The average is 10... 11+11+9+7+12=50... 50/5=10
The average is 10.
The average is 10.