ACP Agile Estimation and Sizing 2

Question 1

T-Shirt sizing (XS, S, M, L, XL) is best suited for which phase of agile estimation?

Accepted Answer

High-level portfolio or roadmap estimation

Answer

Sprint-level detailed planning

Answer

Calculating individual developer capacity

Answer

Final release sign-off

Question 2

Which agile estimation technique groups a large number of items on a wall from smallest to largest without using numerical values?

Accepted Answer

Affinity Estimation

Answer

Planning Poker

Answer

Story Mapping

Answer

Wideband Delphi

Question 3

A team's last three sprint velocities were 32, 28, and 36 story points. There are 220 story points remaining in the backlog. Approximately how many more sprints are needed to complete the project?

Accepted Answer

7 sprints

Answer

5 sprints

Answer

9 sprints

Answer

11 sprints

Question 4

What is a key risk of using a team's velocity from a previous project to plan a new project with different team members?

Accepted Answer

Team composition changes affect velocity, making prior data unreliable

Answer

Velocity is always too high to use for planning

Answer

Story points cannot be reused across projects

Answer

Velocity only applies to Kanban, not Scrum

Question 5

In agile, what is the purpose of 'Definition of Ready' (DoR) as it relates to estimation?

Accepted Answer

It ensures stories are well-understood enough for the team to estimate confidently

Answer

It defines when a sprint can be closed

Answer

It replaces the need for story points entirely

Answer

It governs the acceptance criteria sign-off process

Question 6

Which statement best reflects the agile view on estimation accuracy?

Accepted Answer

Estimates are approximations that improve over time as the team learns

Answer

Estimates must be exact to prevent scope creep

Answer

Estimates are commitments and must not change after sprint planning

Answer

Estimates should only be made by the project manager

Question 7

What does the term 'cone of uncertainty' mean in agile project planning?

Accepted Answer

Estimate accuracy improves as more is known about the project over time

Answer

The range of team members' skill levels

Answer

The number of stories that are uncertain in a sprint

Answer

The risk register's confidence interval