A Level Maths: Outliers and Cleaning Data Revision Notes

Identify outliers using rules like 1.5 x IQR or 2 standard deviations from the mean, and decide when it is appropriate to remove them.

To put these notes into practice, try our A Level Maths exam questions by topic, which include OCR and Edexcel material with full mark schemes.

When you’re ready, move on to full A Level Maths past papers to practise under exam conditions.

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