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Exam PMI-ACP topic 1 question 125 discussion

Actual exam question from PMI's PMI-ACP
Question #: 125
Topic #: 1
[All PMI-ACP Questions]

Two teams have received project requirements and completed estimates. Team A estimates 420 story points for scope and 30 story points for velocity per sprint.
Team B estimates 280 story points for scope and 20 story points for velocity per sprint. Both teams have same number of team members and have assumed a sprint duration of 2 weeks.
What can an agile practitioner conclude about team A and team B's estimate?

  • A. Team B has underestimated scope compared to team A
  • B. Team A is more confident in delivering velocity than team B
  • C. Both teams need to indicate their proposed technology before the estimates can be analyzed
  • D. Both teams have estimated the project to be of same size
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by snow5 at Nov. 25, 2020, 7:47 a.m.

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SARS
Highly Voted 3 years, 7 months ago
Team A estimate is 420/30 = 14 sprints to complete the project. Team B estimate is 280/20=14 sprints to complete the project. So, the answer is D.
upvoted 10 times
Saurabh31
8 months, 1 week ago
Agreed
upvoted 1 times
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yassoraa88
Most Recent 1 month, 2 weeks ago
Selected Answer: D
Both teams have estimated that they will complete the project in 14 sprints. Despite the different total scope estimates (420 story points vs. 280 story points), the teams have aligned their velocities proportionally. This suggests that their understanding of the project's size and complexity is consistent when factoring in their respective velocities.
upvoted 1 times
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chlaithem
8 months, 1 week ago
Selected Answer: D
Story points measure relative effort, not absolute time: The 420 story points of Team A and 280 story points of Team B indicate the relative effort each team believes the project will require, not the actual time to complete it. Velocity translates story points to time: The velocity of 30 story points per sprint for Team A and 20 story points per sprint for Team B tells us how many story points each team can complete in a 2-week sprint. Size comparison: By dividing the estimated scope (story points) by the velocity (story points per sprint), we can compare the project size for each team: Team A: 420 story points / 30 story points/sprint = 14 sprints Team B: 280 story points / 20 story points/sprint = 14 sprints Both teams arrive at the same estimated project size of 14 sprints, despite different story point and velocity values.
upvoted 2 times
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Petrevski
1 year, 4 months ago
Selected Answer: D
D = correct. The estimation is 14 sprints by both teams (420/30 = 280/20 = 14).
upvoted 1 times
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Minhha3
1 year, 5 months ago
Vote D
upvoted 1 times
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InvisibleBeing
1 year, 7 months ago
Selected Answer: D
D is the answer. Please see SARs comment below for explanation.
upvoted 1 times
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richck102
2 years, 2 months ago
D sure
upvoted 1 times
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thuha1704
2 years, 6 months ago
D is better
upvoted 2 times
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snow5
3 years, 10 months ago
D is the right answer. irrelevant to compare two different projects in Agile
upvoted 3 times
SARS
3 years, 7 months ago
Based on D, the requirements are for the SAME project.
upvoted 1 times
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C (25%)
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