Scatter graphs are a way of illustrating "paired" data - information about two related values.
For example : height and weight; price and sales; latitude and longtitude; rain and sunshine.
Work out the answer to each of these questions then click on the button marked to see whether you are correct. (a) Which girl is the tallest and how tall is she?
(b) Which girl is the youngest and how old is she?
(c) How much taller is Rebecca than Emma?
(d) How much younger is Sarah than Samantha?
Ten children took part in a sponsored walk. The scatter plot shows how much money they raised and how far they walked.
The scatter plot below shows the ages of some children and the greatest distance they can swim.
In a sponsored swim, nine children each swam a certain distance and raised some money. In this question you will produce a scatter diagram for this information. You click on the graph to plot a point using the information in the table on the left. Then you check to see if you have plotted the point correctly by clicking on the button. If you plotted the point correctly, it will be ticked and will appear. If you see a cross on the point then you have made a mistake and must try again. You can remove points you have plotted incorrectly by clicking on them for a second time.