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.

How do you calculate capability indices? Capability analysis is an essential tool for statistical process control (SPC) and ...

When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...