To calculate the mean, you add up all the numbers in the set, then divide the total by the number of numbers you added. The mean might not always be a whole number it might be a decimal.

Frequency tables can be used to help present sets of data. There are 4 children aged ... Image caption, To find the mean age, use a calculator to divide the total age of all the children (168 ...

How to calculate Standard Deviation in Excel The Standard Deviation is a term used in statistics. The term describes how much the numbers if a set of data vary from the mean. The syntax to ...