Interpret widening bands in a cumulative flow diagram and choose a response.
The dashboard line looks pretty, but the Review band has doubled over two weeks. Leadership sees 'more work in progress'; the team feels slower and cannot prove why. A CFD shows how work accumulates across states; a widening band reveals a queue growing faster than it drains. Blaming the people inside the widening band before checking arrival pattern, batch size, policy clarity, and downstream constraints. Before Review was blamed for slow delivery. After Hassan read the CFD and saw Review widening only after Build started batching eight-card drops on Fridays. The experiment moved review earlier and capped Friday handoffs at…
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