How to Calculate Average. The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set.
$$9, 10, 12, 13, 13, 13, 15, 15, 16, 16, 18, 22, 23, 24, 24, 25$$
$$Average = \frac{Sum}{Count}$$ $$= \frac{268}{16}$$ $$= 16.75$$
$$Average\ (Mean)\ of\ a\ set\ of\ numbers= \frac {The\ sum\ of\ the\ numbers\ in\ the\ set}{The\ amount\ of\ numbers\ in\ the\ set}.$$
How to Calculate Average. The average of a set of numbers is simply the sum of the numbers divided by the total number of values in the set.
A.