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Throughout this website, you will find lots of free resources to help you do the best for your A-Level in Maths. We have detailed explanations and examples for all topic areas (currently AS), A-Level practice papers for the new maths specification, past exam papers, questions grouped by topic and many more resources.

**Question of the Week**

The following table shows the prices in millions of pounds of some houses in a given postcode:

House Price, P (£m) | Frequency |

Find an estimate for the interquartile range for this data.

See previous Questions of the Week.

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