A reader need go no further than page two of Leland Wilkinson’s The Grammar of Graphics before reading, “We will also come to realize why a histogram is not a bar chart and why many other graphics ...

Bar graphs are graphical representations of statistical data in the form of strips or bars. This allows viewers to understand the difference between the various parameters of the data at a glance ...

Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research has found that bar graphs are frequently misunderstood ...

You can make a bar graph in Excel by first selecting the range of data you want to depict, and then using the dropdown menu to select the desired chart. A bar graph represents the data of an Excel ...

The classic horizontal bar chart is something we’re all familiar with. For many of us, it was the first ‘chart’ we learnt in school, usually alongside Venn diagrams and line graphs. That’s because bar ...

A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends the graphs display. Academics found that when people ...

Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research from Wellesley College published in the Journal of ...