Dear all
Please see the attached spreadsheet.
I was wondering how to automatically produce uncertainty lines on a graph, with the area in between them shaded (I have described what I mean using drawing tools).
In this example, the correct value is 50 +/- 1 so could be either 49, 50 or 51. This area must be shaded.
How can I do this? Do I need to use an area chart?
Thanks
Alis
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