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These are the Transum resources related to the statement: "Interpret diagrams for single-variable data, including understanding that area in a histogram represents frequency. Students should be familiar with histograms, frequency polygons, box and whisker plots (including outliers) and cumulative frequency diagrams".

Here are some specific activities, investigations or visual aids we have picked out. Click anywhere in the grey area to access the resource.

- Histograms Practise drawing and reading information from histograms displaying grouped data
- Cumulative Frequency Online exercises on cumulative frequency for discrete and grouped data with exam-style questions.
- Box Plots Video Box plots, sometimes called box and whisker diagrams, are a useful way of visualising data.
- Box Plots An exercise on reading and drawing box-and-whisker diagrams which represent statistical data.

Here are some exam-style questions on this statement:

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*The grouped frequency table gives information about the times, in minutes, that 90 commuters take to get home from work.*" ... more - "
*The table shows information about the heights of 85 stalagmites.*" ... more - "
*Kevin recorded the heights, in centimetres, of some cows.*" ... more - "
*155 people were asked how much money they would pay for particular three-course meal in a special restaurant.*" ... more - "
*The scatter graph gives information about the marks earned in a Statistic exam and a Mathematics exam by each of 13 students.*" ... more - "
*Here is some information about the length of time children spent in a swimming pool at a holiday resort during a heat wave.*" ... more - "
*The table shows the marks earned by 200 students taking a Maths exam.*" ... more - "
*The table shows the amount of time, in months, taken to sell houses on the Happyland housing estate.*" ... more - "
*The distribution of daily average wind speed on an island over a period of 120 days is displayed on this box-and-whisker diagram.*" ... more - "
*The following grouped frequency table shows the length of time, \(t\), in minutes, visitors watched an octopus swimming around a tank at an aquarium.*" ... more - "
*Derek has put together a fantasy football squad and has recorded the heights of all the players in the squad rounded to the nearest centimetre. The data is illustrated in the following box and whisker diagram.*" ... more - "
*The charts below show the results of pupils in a Year Group answering twenty mental arithmetic questions.*" ... more - "
*Poppy Pringle recorded the heights in centimetres of the sunflowers growing in her brother's and sister's gardens.*" ... more - "
*The histogram gives information about the distribution of the heights of some shrubs grown by a garden supplier.*" ... more - "
*A TV company surveyed 88 of its employees to find out how much time they spend travelling to work on a given day. The results of the survey are shown in the following cumulative frequency diagram.*" ... more - "
*This cumulative frequency graph shows the speeds in kmh*" ... more^{-1}of cyclists passing a certain point on a race track. - "
*Gringe Hull Secondary School has students from Year 7 to Year 13. A group of 138 students in Year 9 were randomly selected and surveyed to find out how long it takes them to travel to school each morning. Their results are represented by the following cumulative frequency graph.*" ... more - "
*A number of organically-grown carrots were measured (in centimetres) and the results recorded. The following box and whisker diagram shows a summary of the results where L and U are the lower and upper quartiles respectively. The diagram is not drawn to scale.*" ... more

Click on a topic below for suggested lesson Starters, resources and activities from Transum.

If you are using the TI-Nspire calculator you can find instructions for creating a box plot on the Calculator Essentials page.

If you use a TI-Nspire GDC there are instructions useful for drawing box plots.

This Bicen Maths video clip shows everything you need to memorise on Representation of Data for A Level Maths.

How do you teach this topic? Do you have any tips or suggestions for other teachers? It is always useful to receive feedback and helps make these free resources even more useful for Maths teachers anywhere in the world. Click here to enter your comments.