In “When Should I Use Logarithmic Scales in My Charts and Graphs”, I showed the revenues of the top 60 Forbes 500 companies using both linear and logarithmic scales. The log scale spread out the bulk ...

Graphs are pictorial representations of numbers. Therefore, at the least, we should expect that the representation of the numbers be proportional to the numbers themselves. Unfortunately, this is not ...

Bar graphs are used to show sets of data in more specific categories. 32 students were asked which season was their favourite. The table shows the results. Construct a bar chart that represents these ...

A bar chart is a diagram that uses rows of horizontal or vertical bars to show information. The title tells you what the bar chart is about. The vertical and horizontal lines are called axes. The ...