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What is the ideal size of a Scrum team?

  1. About 5

  2. About 10

  3. About 15

  4. About 20

The correct answer is: About 10

The ideal size for a Scrum team is typically recognized as being between 3 and 9 members, with 7 being often cited as the ideal number. A team size of about 10 can be considered acceptable, as it still allows for effective communication, collaboration, and autonomy. Larger teams can lead to challenges such as coordination issues, communication breakdowns, and difficulties in maintaining teamwork and engagement, which can hinder the Scrum process's effectiveness. A team that is too small may not possess all the necessary skills for cross-functional work, which is a critical aspect of Scrum. Therefore, having a team size around 10 allows for a balance where enough diversity of skills exists for better problem solving, yet the size is manageable to uphold Scrum principles such as effective daily stand-ups and iterative planning. Larger suggested sizes, such as 15 or 20 members, often compromise the Scrum team's ability to communicate effectively and deliver work in a collaborative environment. In essence, a Scrum team size around 10 is advantageous for maintaining agility while ensuring that all necessary skills and perspectives are represented in the team dynamics.