You can also choose a 3-D chart to add some aesthetic texture to the graph. These different graph options are relatively easy to create in Excel when you're looking to visually represent a data range.

Charts are a great way to visualize large sets of data. Here's how to add a graph on Google ... The Line graph is in XY format and can be edited via the Open source options in the top-right corner.

If you use a line chart with two columns of data, each column will represent the Y axis of a separate line. More For You How to Change Columns Into Rows in Excel 2007 ...