MRCPsych Prep
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Choosing the right chart for the data

Understand the model, recognise it in a stem, separate the look-alikes, then apply it.

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Visual explanationUse the diagram to rebuild the concept from memory.
Box-and-whisker plot min Q1 median Q3 max outlier box = interquartile range (middle 50%); line = median
Box-and-whisker plot
Shape → histogram; spread → box plot; categories → bar chart; relationship → scatter.

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