PMP Exam Prep UPDATED Exam Questions and CORRECT Answers

Five whys methods - An effective tool for root cause analysis in which the question "why?"is asked for a problem in succession until the root cause is found. Developed by Sakichi Toyoda, a Japanese inventor and industrialist the 5 why methods is an integral part of the lean philosophy 80/20 Rule - A general guideline with many applications, in terms of controlling processes, it contends that a relatively large number of problems or defects, typically the 80% are commonly due to a relatively small number of causes, typically 20%. Pareto Chart A/B Testing - A marketing approach used to determine user preferences by showing different sets of users' similar services—an 'Alpha' and a 'Beta' version—with one independent variable. Accept - A strategy for managing negative risks or opportunities that involves acknowledging a risk and not taking any action until the risk occurs. Acceptance Criteria - A set of conditions that is required to be met before deliverables are accepted.