You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

There are a variety of ways line graphs can be used to clearly display complex information. Each axis is named by the quantity labelled on it. This might be \(x\) and \(y\), or time and temperature.

For these numbers the most significant digits are the ‘tens’ digits. These run from \(2\) to \(5\). Initially the diagram is set up like the one above. The unit digits are now included by taking each ...