Lean Bronze

Category - Continuous Improvement

Variation data is commonly displayed in histogram form. The pattern of variation in a set of data is called a distribution. Which of the following questions would NOT impact a project team’s graphic display of variation?
  1. Is the distribution asymmetrical?
  2. Is the distribution symmetric?
  3. What is the most common value for the variable?
  4. How much variation is present?
Explanation
Answer: A - “Is the distribution asymmetrical?” is not a question a project team would ask when graphically displaying data. Distributions can be described using the term’s shape, center, and spread. Shape asks whether the distribution is symmetric. Center asks what the most common value for the variable is. Spread asks how much variation is present.
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