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Changes in scope are less visible in a burn-down because a single line is used to indicate both progress and new backlog items. A burn-up separates the two so that the relationship is clearer. Burn-up also shows the actual velocity whereas burn-down does not because progress appears to slow (or reverse) whenever new items are added or future estimates are ...


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The answer resides on the Y axis, which displays scope. On a burn up chart, when scope is added, your plan line will increase and will be visible on the Y axis. If scope is added on a burn down, the result would appear in the X axis, or extended duration. Extended duration most certainly is an indicator of scope creep but also indicates other drivers.


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