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.
When you have the average production of three machines, it is easy to calculate the average or mean production. You just add ...
Your tangible net worth is the sum of all of your assets that you can physically touch, minus your liabilities.