How to Highlight Intervals in Graphs in Excel. The interval between the gridlines in an Excel chart is typically blank, but you can highlight the intervals using an alternating pattern by changing ...

The takeaway: every bar graph needs a zero on its scale. If you see one without a zero, be careful. In a future post I'll discuss whether line graphs and other graphs also need a zero on their scales.

National 5 Statistical diagrams Drawing a bar graph for grouped data A combination of statistical information can be presented in diagrams.

Graphs that are not drawn to scale mislead the reader. This post shows another example of a graph where the visual representation of the numbers is not proportional to the numbers themselves.