Average= All of your numbers added together divided by how many numbers you have.
13+17=30
30/2=15
The average is (11+11+13+17)/4 = 52/4 = 13
13. (9+17)/2=13
Average = 13
The average is 19.
13
The average = (18 + 12 + 13 + 17) ÷ 4 = 60 ÷ 4 = 15
The average is 16.
The average is 15.
The average is 14.
You average the two numbers in the middle. For example, if you have the numbers 9, 13, 17, and 20, the median is the average of 13 and 17, which is 15.
16.6
about 14-17 minutes is about average. beat 14min is good. 10-13 minutes is excellent