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

The research team asked hundreds of people to show where they believed the data underlying a bar graph would be by drawing dots on the graphs themselves. A striking pattern emerged.

To draw bar graphs, use Graphics.FillRectangle to draw the bars, and then call Graphics.DrawString to add text. The following code sample demonstrates how to use those methods to create the simple bar ...

To create a bar chart data is required. The data often comes in the form of a table. To create a bar chart: Look for the largest frequency in your table. Draw a vertical axis close vertical ...

As a maths teacher, I'd like to offer Simon Burgess's campaign team some free tuition on drawing bar graphs.