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.

The geometric mean is the average of a set of products. Analysts, portfolio managers, and others commonly use the calculation of the geometric mean to determine the performance results of an ...

Key Points Mean is the average of data points. In LSS this is used as an indicator of process performance. Further, it can identify potential issues with processes. Central tendency and mean are two ...