You can add another series to the graph. While editing the graph,

Select Chart - Source Data - Series
Select ADD under the series window and enter the name and the X and Y values
for the series.

There are other ways to do this, as well.


"Samantha" wrote in message
...
I want to add data points to the scatter plot that are not part of the data
ie. add points to find their concentration on a standard curve.