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 in ...

Cumulative frequency is a running total of the frequencies. This can be represented on a graph by plotting the upper boundary of the groups. To create a cumulative frequency table all we need to do is ...