The average is (11+11+13+17)/4 = 52/4 = 13
The average is 16.
16.6
13.285714 repeating
It is: 13+9+11 = 33 and 33/3 = 11 which is the mean average
11 13 15 17 19
Add them together and divide by the number of values (4).
11 13 17
13. (9+17)/2=13
11, 13, 17, 19
The LCM of 11, 13, and 17 is 2431
Average: (13+9)/2 = 11
7 x 11 x 13 x 17 = 17017