SAFE-SP · Question #81
What type of information can be easily seen in a cumulative flow diagram?
The correct answer is C. Work in process across the team. A cumulative flow diagram (CFD) plots the count of work items in each workflow state (e.g., To Do, In Progress, Done) over time as stacked bands - making work in process (WIP) instantly visible as the vertical thickness of the "in progress" band at any point in time. Option A…
Question
What type of information can be easily seen in a cumulative flow diagram?
Options
- ATime to complete a Feature
- BTeam capacity
- CWork in process across the team
- DThe number of defects that escape to production
How the community answered
(18 responses)- A6% (1)
- C89% (16)
- D6% (1)
Explanation
A cumulative flow diagram (CFD) plots the count of work items in each workflow state (e.g., To Do, In Progress, Done) over time as stacked bands - making work in process (WIP) instantly visible as the vertical thickness of the "in progress" band at any point in time. Option A is wrong because cycle time (time to complete a feature) requires reading the horizontal distance between two bands, which is derived rather than directly shown. Option B is wrong because CFDs track work items, not team capacity or headcount. Option D is wrong because defect escape rates come from quality metrics, not flow visualization.
Memory tip: Think of a CFD as a "river of work" - the width of the river at any moment shows how much is flowing (WIP). Narrow = healthy flow; wide = bottleneck piling up.
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