#### Graph an equation on scatterplot graph

```Okay, so here's the situation:

We've got an Excel chart displaying calculated values on the y-axis and the
day of the analysis on the x-axis.

I'd like to add lines on this graph displaying the mean and then lines for +
and - the standard deviation to show how each dot's represented value
compares to the overall average.

It'll just be as simple as y = 75, where the number (in this case, 75) will
change every day as the mean is recalculated due to new points being entered.
Is there any way to get the graph to look at the cell that's displaying the
```
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Jonzor (1)
7/21/2008 9:49:01 PM
excel.charting 18370 articles. 0 followers.

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```Have a look at

--
Bernard V Liengme
Microsoft Excel MVP
http://people.stfx.ca/bliengme
remove caps from email

"Jonzor" <Jonzor@discussions.microsoft.com> wrote in message
news:6B2DA9E2-6996-4DA3-BC2C-E5E310149C7A@microsoft.com...
> Okay, so here's the situation:
>
> We've got an Excel chart displaying calculated values on the y-axis and
> the
> day of the analysis on the x-axis.
>
> I'd like to add lines on this graph displaying the mean and then lines for
> +
> and - the standard deviation to show how each dot's represented value
> compares to the overall average.
>
> It'll just be as simple as y = 75, where the number (in this case, 75)
> will
> change every day as the mean is recalculated due to new points being
> entered.
> Is there any way to get the graph to look at the cell that's displaying
> the
> value of the mean already?

```
 0
bliengme5824 (3040)
7/21/2008 10:04:40 PM

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