“Imagine a pie chart that shows Visuals at 42 percent, Numbers at 36 percent, Stupid Jokes at 15 percent and Random Complaints at 7 percent. Now let’s convert that to a bar chart.” ...

You need to look at the scale to make sure you read the numbers correctly. Look at the scale on the 𝒙-axis on this bar chart. It goes up in 2s. Look at the numbers reached by each bar.

The labelling of the horizontal axis depends on what is being represented by the bar chart. Take care to ensure an appropriate scale, to number the axes uniformly, and give the appropriate label ...