Calculating the mean is one of many methods of finding an average. To calculate the mean, you add up all the numbers in the set, then divide the total by the number of numbers you added.

Frequency tables can be used to help present sets of data. There are 4 children aged 10, which gives a total age of 40 in that category. There are 6 children aged 11, which gives a total age of 66 ...

While Excel is useful for many applications, it is an indispensable tool for those managing statistics. Two common terms used in statistics are Standard Deviation and ...