35 We could show this data in a bar chart, but it would have a lot of bars! We can group them together so that we have fewer categories. When choosing intervals for the data sets make sure that ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

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 ... Image caption, Draw each bar the correct height ...