It is possible to read data and make comparisons using a bar chart. This type of graph, called a dual bar chart, shows the eye colour of year 7 and year 8 students. Image caption, Using the ...

The bar graph needs to have a range of data before you can make it. 1. Highlight the range of data you want to represent. You can either click and drag for several neighboring columns. 2.

There's an easy way to create stacked bar charts in Excel. The real challenge is organizing data to make sure everything shows up as effectively as possible. This guide shows when to use stacked ...