If you want to make your charts easy to interpret, insert a trendline or moving average line in Excel worksheet. See the list of steps to get it done in no time!

How to Extend a Trendline on Excel. Excel allows you to add charts to enable others to visualize the data you're presenting. Because there are a variety of charts available, such as line and bar ...

One way to assess this fluctuating data is to add a linear trend line to the Excel 2013 graph. This visual element considers all the data and displays the overall direction the values are taking.