Re: Sprint Burndown doesn't match Sprint Cummulative Flow - Scrum for Team System
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Engineering Practices – v2.2 Reports

Started by BishopTTU at 12-01-2009 1:17 . Topic has 1 replies.

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   12-01-2009, 1:17
BishopTTU is not online. Last active: 30/11/2009 19:01:03 BishopTTU

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Joined on 05-27-2009
Austin, TX
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Sprint Burndown doesn't match Sprint Cummulative Flow
I'm working with a Team who is getting incorrect reading on the sprint burndown chart. After fixing a few nuances the Cummulative Sprint Burndown is reporting correclty but the Sprint Burndown chart still shows incorrect data.

I've reviewed the posts here and have tried everything I can think of. Here is a sample of what we are seeing.

Evidently, I don't know how to add an attachment. The Sprint Burndown chart shows 740 hours, while the cummulative flow report reports accurately @ 620 hours for the sprint.

http://picasaweb.google.com/lh/photo/UJL_zK1FieVQ26sQIWjN7w?feat=directlink

Any thoughts?
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   01-13-2010, 10:55
Steve Wright is not online. Last active: 23/02/2010 16:19:12 Steve Wright

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Joined on 02-05-2008
Egham
Posts 173
Re: Sprint Burndown doesn't match Sprint Cummulative Flow

Hi

The sprint cumulative flow and sprint burndown report work on different metrics. The cumulative flow will report the last day revisions of estimated effort aggregated of the sprint backlog items. Ideally this shouldn’t change once the sprint backlog task has been created. The burndown report will report last day revisions of work remaining aggregated of the sprint backlog items.

One reason why the report might have different starting point is because at the end of the first day of the sprint some of the sprint backlog tasks work remaining might have been readjusted to be higher than the estimated effort because of some impediments occurring or tasks which were under estimated?

 


Steve Wright
Technical Consultant
EMC Consulting

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