S4e – Interquartile range and box plots

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Interquartile range and box plots

Teacher resources

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  • Slides in PDF (one slide per page, suitable for importing into IWB software)
Links to past exam questions

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Visual representation of boxplots

Suppose the points on the number line below represent the scores (out of 100) achieved by 23 students on a test. Move the points around to see how the boxplot is affected:
In the real world

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