How to add Error bars in Excel As we have stated above, you will need to begin with an existing graph, so ensure one is created and opened before going forward.

If you use Excel to create charts, it’s always good to know what customization options you have for your data entries. Excel allows you to display all sorts of data and possible variations ...

Suppose you have some data. You want to plot that data and turn it in with your lab report. Your instructor (me) told you to be sure and include error bars on your graph.