Six Sigma Green Belt Exam Prep - Question List

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16. A car manufacturing company is facing a class -action lawsuit because of major brake failures. The company’s research department is especially implicated because their published research on the brake systems showed them to be within expected safety standards. The following are expectations of ethical experimentation EXCEPT:
  1. presentation of all results - favorable and unfavorable
  2. full explanation of methodologies used in research
  3. exclusion of important factors that affect experiment results
  4. presenting summaries that do not distort experiment results
17. The Risk Priority Number (RPN) methodology is an analytic tool that is used to determine the risks associated with potential problems for a product or a process. The following are components of the RPN equation EXCEPT:
  1. source
  2. severity
  3. occurrence
  4. detection
18. Managers at a food manufacturing plant are studying the efficiency of sorting processes. They believe that 2% of food products contain defects; to prove this, their stated alternate hypothesis (H1) is that:
  1. 2% of food products do not contain defects
  2. 2% of food products contain defects
  3. 98% of food products do not contain defects
  4. not enough information is available
19. Three samples (1, 2, 3) are compared using ANOVA. The null hypothesis is stated as:
  1. H0: µ1 = µ2 = µ3
  2. H0: µ1 = µ2
  3. H1: µ1 = µ2 = µ3
  4. H0: µ2 = µ3
20. Brian is a Management Consultant who is hired to improve the performance of a capital fundraising team. In his initial workshop, he relates the importance of understanding team development and its effects on their upcoming fundraising campaign. After ‘forming’, teams enter a stage where ideas compete for prominence. What is this stage called?
  1. adjourning
  2. performing
  3. storming
  4. recognition

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