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!

Here is my dilemma. I am trying to help a friend add a trendline to an existing graph and control the length of the trendline itself. The graph tracks scores over a date range. The problem is that ...

Go to Chart | Add Trendline. Click on the Options tab. In the Forecast section, click on the up arrow in the Forecast box until the entry in the box changes to 6. Click OK. Excel will extend the ...