Some software makes box plots from your original data, like Microsoft Excel as I’ll describe below, while others ask for the five-number summary (Min, LQ, Median, UQ, Max). Here are great explanations, advantages and limitations of measures of central tenancy.Here’s an example of how to compare box plots and other types of charts.Check out these couple of pages and you’ll have a much better idea of what to say about your graphs. Some software also places a cross on the chart where the mean/average is.Īfter you prepare your box plots you’ll no doubt have to write about them. These five points make up the “five-number summary”. Here’s a quick explanation of why box and whisker plots are useful. Box and Whisker Plots, or just Box Plots, are a graphical summary of data spread (dispersion) and central tendency.
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