1. Which of the following best describes the mean?a. A measure of dispersion in a data set. b. The average deviation of the points from the centre of the data set. c. The average a data set. d. The mid point of a sorted data set. 2. Which of the following best describes the standard deviation? a. A measure of dispersion in a data set. b. The average deviation of the points from the centre of the data set. c. The balance point of a sorted data set. d. The mid point of a sorted data set. 3. In the Box plot below what does the arrow point to? a. The 1st Quartile. b. The 3rd Quartile. c. The Median. d. The Mean. 4. Identify a tool that is typically used in the Define/ Measure phase of Six Sigma DMAIC, and is useful in developing high level process maps: a. FMEA. b. Cause and Effects Diagram. c. Hypothesis Test. d. SIPOC. 5. Which one of the following is not a measure of variation (spread) in a distribution? a. Range. b. Inter-quartile range. c. Variance. d. Median. http://www.robertwiering.com To provide the team with a shared insight of the process they are working on. SIPOC. In a sample of 5000 invoices. Only use the most recent data. c. What will be your message for each Stakeholder? d. d. Poka Yoke. 10. c. and excess motion are all forms of: a. What concerns can you anticipate for each Stakeholder? b. waiting. 7. c. SIPOC. To provide the Lean Six Sigma team with a common idea of the project they will be working on. What positive outcomes exist for each Stakeholder? c.000. Project Charter. process capability. b. d. b. What is the Parts Per Million (PPM) in this case? a. VOC/VOB Analysis.robertwiering. b. Cannot be determined from the information above. 20. d. d. b.com . It is a method for identifying. Use statistical techniques to determine significant effects. VOC/VOB Analysis. All of the above. Which question is part of a Stakeholders Analysis? a. analysing and documenting issues that exist in the process. Project Charter. Ishikawa. What is the main purpose of a (Brown Paper) Process Map? a. c. Muri. 9. Name the primary deliverables of the Define phase: a. Overproduction. Use bar charts to display significant differences graphically.000. c. 400 errors are found in 100 invoices. Muda. 11. 8. d. http://www. 10. scrap. To provide a complete graphical illustration of the entire process. SIPOC. b. 4.000.6. process capability. All of the above. In establishing the base line performance of a process it is important to: a. Involve the accounting and finance department when financial metrics are developed. d. b. c. Which tool(s) would you advice to use first? a. It helps in prioritizing the problems. Initiative Charter. b. Control Chart. b. It identifies the vital few from trivial many.12. process Lead time of invoices is measured over a period of 4 months. b. Data must be in terms of either counts or costs (data is discrete). ANOVA. d. Data Collection Plan. Histogram with customer requirements and control chart. None of the answers. At a large consultancy firm. FMEA and Poka-Yoke. What is the minimum sample size to graphically and analytically address variation of continuous data? a. c. http://www. Is always DMAIC. c. What tool is used to help focus the data collection effort? a. c. 50. 17. b. Identify an important limitation of a Pareto chart: a. Individual Value Plot (IVP). 20 to 30.com . The sequence a team actually follows through the phases of DMAIC: a. Project Charter. 16. b. 05 to 10. d. Probability plot. 15. c. c. Is determined solely by the Green or Black Belt. Is always DMAIC but may involve looping back to previous steps. 100. What kind of chart should be used to track the stability (that is. 13. d. d. 14. in time) of the duration of invoices? a. Box Plot. Measurement System Analysis. Pie Chart. d. Should be DIC if possible to save time and money.robertwiering. A Belt wants to investigate the current performance. Defects. when data is gathered over more than 10 weeks? a. 4. ANOVA or 2 sample T test. 2. Customers are willing to pay for it. This describes: a. You believe one of the suppliers has Agents which have more trouble with inspection than the other. a. Pareto Chart. possible more test weapons are undetected during the 20 test inspections per week for Agents from one specific supplier. Capability Analysis. d. All types may occur http://www. d. It is a structured approach to identify root causes with brainstorming. 20. Waiting.18. c. reducing high risks or failure modes. Motion. What is the purpose of an FMEA? a. Inventory. Which types of waste will not occur in an office environment? 1. Regression Analysis. d. Histogram or Control Chart. b. b. It is used to identify when special causes are affecting the process average or variation. 1. b. Which tool would you use to test this hypothesis. analysing. b. it changes the product or service. Scatter Plot. Chi Squared test. Individual Value Plot. Which of the following graphs helps you best visualize the relationship between number of fte’s versus total process lead time? a. 22. c. You have two suppliers for Agents used in the Schiphol Airport safety check process. 21. hence. and it is done right the first time. CTQ requirements. d. c. The PDCA cycle.com . b. c. 2. It is a method for identifying. 19. None of the above. 3 and 4. 3. prioritising and.robertwiering. In other words. It is a graphical representation of the sequence of steps in a process that are used to understand the complete process and identify critical stages. It separates natural variation from special causes. TIM WOOD. d. 2 and 3. c. 1 and 3. e.23. Rsq = 80%). http://www. Document all process steps in a highly detailed process map and/or Quality manual. e. 24. Rsq = 96%). Review the results of a ANOVA analysis. Brand of the car (p >0.3 times short term deviation versus the mean. b. c. d. The Upper Control Limit: a. c. Rsq = 80%). in order to sustain results. d. Is set -/. Number of kilometers driven (p <0. Celebrate success. What is the “red X” for the price of a car. What is/are the most important thing(s) to do in the Control phase? (pick one answer) a. Rsq = 80%).05. b.com .3 times long term deviation versus the mean. Is set -/. Rsq = 96%) d. Brand of the car (p <0. b. Is based on the maximum customer specification limit. Colour of the car (p <0.05.05. Number of kilometers driven (p >0.05. Calculate the PCE to achieve awareness. Is set +/+ 3 times short term deviation versus the mean. be positive and reward team members.05. according to this analysis? a. 25. implement the process control plan/system. Is set +/+ 3 times long term deviation versus the mean.robertwiering. c. Validate savings/results. handover. 4. Step 2 always goes right the first time. as well as the cycle time (C/T) per process step.com . 8. The average throughput time of the entire process as measured.1 % b.26.robertwiering. Waiting time is measured.7 % c.3 % http://www. 7.8 % d. See the picture below. 5. In this process with in total 5 process steps: 4 process steps have a quality level of 3 sigma*. but doesn’t add value to the customer.3% What is the Process Cycle Efficiency (PCE)? a. 3 sigma: yield = 93. is 910 minutes. 1d 2a 3c 4d 5d 6c 7b 8d 9b 10 d 11 b 12 b 13 b 14 c 15 d 16 b 17 b 18 d 19 a 20 d 21 c 22 d 23 a 24 b 25 d 26 b http://www.com .robertwiering.