Copy the new data
Click on Chart
Use menu item Edit | Paste Special and in the dialog stipulate New Series
Indicate if data is in rows or columns (Excel generally gets this right)
Click OK
Note you can select just the y-values, or both x- and y-values. In the
latter case, you need to specify in the Paste Special dialog that the first
column (row) holds x-values
best wishes
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.