In this post, we show you how to add error bars to a Microsoft Excel spreadsheet. You can use Error bars for standard deviation & trending margin of error.

If you create charts with Excel, error bars allow you to visualize margins of error for data points. Here's how to add error bars in Excel.

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.