Unit 1 Section 2 : Two Way Tables
In this section we introduce the idea of a two-way table, which we can use to present information about situations.
Emma has collected information about the cats and dogs that children in her class have as pets.
There are 30 pupils. For each pupil, there are four possible responses they could make:
This information can be represented in the table below.
- The pupil has a cat and a dog.
- The pupil has a cat but not a dog.
- The pupil has a dog but not a cat.
- The pupil does not have a cat or a dog.
||Has a dog
||Does not have a dog|
|Has a cat
||These pupils have both a cat and a dog
||These pupils have a cat but not a dog|
|Does not have a cat
||These pupils have a dog but not a cat
||These pupils do not have a cat or a dog|
Work out the answers to the questions below and fill in the boxes. Click on the
button to find out whether you have answered correctly. If you are right
then will appear and you should move on to the next
question. If appears then your answer is wrong. Click
on to clear your original answer and have another go.
If you can't work out the right answer then click on
For these last two questions, you will need to draw your own two-way table on paper.
You have now completed Unit 1 Section 2
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Produced by A.J.Reynolds January 2001