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Stem & leaf, pie charts, population pyramids and choropleth maps
infoWhy this? These displays reveal different features of data, from individual values and proportions to population structure and geographical patterns. Selecting and interpreting them helps us judge how effectively a representation communicates information in its context.
scheduleWhy now? Building on tables, pictograms, and bar charts, we broaden the range of representations we can use and compare. This develops our judgement about matching a display to its data before studying more complex representations of grouped distributions.
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