By deleting the legend entries that you do not want.
Click the legend box; now click the an unwanted entry; press delete
Be careful to select the entire entry - it you select just the marker, the
data series is removed from chart
Begin by making a copy of the chart- hold CTRL and drag chart to do this-
this saves swearing if something goes wrong.
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.