Sometimes the Story Points presented in Burndown Chart and in Velocity Chart are different. Why does that happen?
How does the Story Points are counted in Burndown Chart and in Velocity Chart?
Thank you for your explanation, Tayyab.
So if a Burndown Chart and a Velocity Chart shows some differences between Story Points when the sprint starts, is that ok?
E.g: Burndown Chart shows 95 story points and Velocity Chart shows 90, both after the sprint is closed. What does that mean?
Velocity Chart is created after the sprint is completed.
Im assuming your burndown shows the total points at beginning are 95?
That doesn't necessarily means that something is wrong with the story point counting.
Consider the following scenario.
You have following stories points in backlog (35, 35, 20, 5)
So you add 35, 35, 20 (total of 90) to the Sprint and start sprint.
The total committed points for Velocity chart is 90 now.
Now you add 5 more story point to the sprint.
The burndown starts showing total of 95 now.
Now you do some work on issues and resolve the 35, 35, 20 point stories.
Then you complete the sprint, sending 5 point back to backlog.
Now your total Completed points for Velocity are 90.
So from the point of Velocity chart, you committed to 90 and completed 90.
But from burndown perspective you started with 95 and then stopped at 5 points.
We never get proper credit, so I am trying to understand why. Here is our situation:
We use one Jira project db for our app, (JIRA1), and also server other Jira Projects (JIRA2 and JIRA3), which we bring into our sprints and plan and deliver.
This is a live app, and we sometimes need to swap tasks - resolve a mission-critical issue in the field, in exchange for some other work that was planned initially.
If we started out committing to 100 points, but added 10, and removed 10, the velocity chart looks like we committed to 110, and failed to complete our commitments, showing that we only delivered 100.
The second question is whether velocity is properly counting issues that were closed by a team memebr who did not notice it was tagged for the next sprint. So, they did the work, closed the ticket, and even if I updated the sprint id before closing the sprint, we don't get proper credit for it.
Finally, there seems to be an issue with properly crediting completed points for JIRA2 and JIRA3. It seems that while we see the points accruing in the sprint views, the final velocity report doesn;t refrlect these.
Please clarify how you are calculating points completed, and when .
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