make the chart with one set of XY values. Select the second set and copy.
Select the chart, use Edit menu > Paste Special, add the data as a New
Series with Category data in first row/column.
It's a best practice to use columns for your data, so the first curve would
use A and B, the second C and D, etc.
- Jon
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Jon Peltier, Microsoft Excel MVP
Tutorials and Custom Solutions
Peltier Technical Services, Inc. -
http://PeltierTech.com
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"Puzzled" <(E-Mail Removed)> wrote in message
news:AC87AE8E-1696-465F-8AB2-(E-Mail Removed)...
>I have set out two blocks of data and want to plot the curves each of them
> produces on the same XY scatter chart to make comparison easier. Thanks in
> advance.