Hi Nick,

Check the attached solution. It's working great.
Let me know in case of any queries.

-- 
Thanks & Regards,

DILIP KUMAR PANDEY
 MBA-HR,B.Com(Hons),BCA
Mobile: +91 9810929744
[email protected]
[email protected]
New Delhi - 62, India


On Fri, Apr 23, 2010 at 12:22 AM, Bunyano <[email protected]> wrote:

> Hi. I am trying to find a formula to calculate the average of the
> first 20 values in a column, then the average of the 20 20 values and
> then the average of the third 20 values etc.
>
> I tried to do this by simply summing the first 20 values and dividing
> them by 20: sum(B2:B21)/20. This works for the first value but when I
> used autofill to populate the next formula I get sum(B3:B22)/20 NOT
> sum(B22:B41)/20 which is what I want.
>
> I'm sure there must be a straightforward way of achieving this but
> I've not yet been able to work it out. Please help!
>
> Thanks in advance.
>
> Nick
>
> --
>
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----------------------------------------------------------------------------------
Some important links for excel users:
1. Follow us on TWITTER for tips tricks and links : 
http://twitter.com/exceldailytip
2. Join our LinkedIN group @ http://www.linkedin.com/groups?gid=1871310
3. Excel tutorials at http://www.excel-macros.blogspot.com
4. Learn VBA Macros at http://www.quickvba.blogspot.com
5. Excel Tips and Tricks at http://exceldailytip.blogspot.com
 
To post to this group, send email to [email protected]

<><><><><><><><><><><><><><><><><><><><><><>
HELP US GROW !!

We reach over 6,800 subscribers worldwide and receive many nice notes about the 
learning and support from the group.Let friends and co-workers know they can 
subscribe to group at http://groups.google.com/group/excel-macros/subscribe

Attachment: Average of 20 numbers -by DiLipandey.xls
Description: MS-Excel spreadsheet

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