The arithmetic mean in this example is 6.5. A = 4+9/2 Arithmetric Mean = 6.5 Investopedia The geometric mean uses a more complex formula ... in a set of data. The median is the midway point ...

Image caption, To find the mean age, use a calculator to divide the total age of all the children (168) by how many children there are (15). 168 ÷ 15 = 11.2. The mean age is 11.2 years old.

Other popular measures of central tendency include the mean, or the average of a set, and the median, the middle value in a set. In statistics, data can be distributed in various ways. The most ...