You can use a two-way table to show two sets of information.
Aled carried out a survey to see how many of his classmates are left-handed. His results are shown in the table below:
This is an example of a two-way table and it is used to show two different features in a survey.
In this case it shows:
You can find out lots of information from this table. For example, you can see that there are left-handed boys in the class. You can also see that there are girls in the class ( left-handed and right-handed).
Q1. How many right-handed children are there in the class?
Q2. How many children are there in total?
A1. There are right-handed boys and right-handed girls, so in total.
A2. There are children in total.
This is the total of all the numbers in the table.