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story point

A relative sizing unit teams use to gauge how much effort a user story will require to deliver.

Key Points

  • Represents relative effort or size, not hours or days.
  • Estimated by the team, often using Fibonacci-like scales (1, 2, 3, 5, 8, 13...).
  • Considers complexity, uncertainty, and risk in addition to work volume.
  • Enables forecasting via velocity (points completed per iteration).

Example

During sprint planning, the team uses a 2-point reference story for a simple profile update. A password reset story seems more complex and uncertain, so they assign it 5 points. With a historical velocity of 20 points, the team forecasts how many stories they can confidently include in the next sprint.

PMP Example Question

In Agile estimation, what does assigning 5 story points to a user story primarily indicate?

  1. The work will take exactly five ideal hours.
  2. A relative effort/complexity compared to other stories.
  3. The business value delivered is five times higher than average.
  4. The story requires five developers to complete.

Correct Answer: B — Relative effort estimate for a user story

Explanation: Story points express relative sizing of effort, complexity, and uncertainty, not fixed time, headcount, or monetary value.

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