Lean Six Sigma Black Belt Sample Paper: Background 1. What does Six Sigma methodology focus on? Yield Improvement Improved Customer Satisfaction Improved Speed of Delivery All of the above2. Choose the correct statement – The number of standard deviations that fit between the mean and the specification limits________ Are the same as the Sigma level for the process Decrease with increase in standard deviation Both a and b Neither a nor b3. Which if the following statement in NOT True? Standard Deviation decreases as variation in process decreases Sigma Level decreases with the increase in standard deviation Sigma Level decreases with increase in defects Sigma Level is independent of the variation in a process4. Which of the following is NOT a Design Methodology? DFSS DMADV IDOV DMAIC5. A DMAIC project is usually initiated when ____________ The problem has a known solution The problem has a known cause The problem is chronic The problem is short lived6. Who is credited as the father of Six Sigma? Mikel Harry Bill Smith Larry Bossidy Jack Welch7. A view of Balanced Scorecard can help in which of the following?i). Provide a view of lagging indicators onlyii). Choose a project that is critical to the organizationiii). Understand the strategy of a companyiv). Understand which metrics are trending Red i, ii and iii ii, iii and iv i, iii and iv i, ii, iii and iv8. What is the 8th waste in Lean? Motion Inventory Underutilized Human Potential Over Processing9. Hiring process in an organization needs a hiring supervisor to send an approval email with an excel attachment for approvals from 3 levels up. Post the email approval, the hiring supervisor creates the hiring request on an online recruitment portal and requires approval from the same 3 levels up. This is an example of: Non Value Added Process Steps Low Sigma Level Process A diligent hiring supervisor Value Added Process Steps10. Which of the following statements is NOT true for a perfect normal distribution? Median and Mean are never the same It is symmetrical about the mean with 50% of the distribution to the left of the mean and 50% of the distribution to the right of the mean It has a single central peak at the mean of the data A taller, tighter curve means smaller standard deviation11. Authorizing a Project, allocating resources, acting as Process Owner till one is named are tasks aligned to which of the following roles? Process Owner Sponsor Yellow Belt/Green belt/Black Belt Finance Director12. The _____________ is responsible for overall Six Sigma program within the company, removes roadblocks and has the responsibility for project closure. Yellow Belt/Green Belt/Black Belt Deployment Champion Process Owner CEO13. Keeping items in their place for easy access and retrieval is related to which S in the 5S tool? Straighten/Set in Order/Stabilize Shine Standardize Sustain14. Which of the following tool requires minimal investment and involves making small improvements on a continual basis? Pareto Force Field Analysis Kaizen Planned Maintenance15. Getting every 15th airline passenger checking in to fill in a survey is an example of____________ Random Sampling Stratified Sampling Cluster Sampling Systematic Sampling16. Which if the following is NOT a part of the “Perform” stage as it relates to the four stages of Team Management? Contribution comes from all members Contribution happens via ideas, innovation, creation Identification of Resistors Strong Relationships among members17. Mobilizing an army of key leaders and managers who can overcome all hurdles and are respected by all in the organization, relates to which step of John Kotter’s 8 step change management plan? Increase Urgency Don’t Let up Make Change Stick Build a Guiding Team18. Which of the following is NOT a technique of keeping team members motivated throughout the DMAIC life cycle? Celebrating Quick Wins Rewarding Rotating responsibilities such as note taking Creating a Pilot Plan19. Teams that are characterized by fighting between different team members are called ____________________ Floundering Teams Feuding Teams Group-thinking Teams Rushing Teams20. Every team goes through four stages from formation to dismissal. What is the correct sequence? Form-Storm-Norm-Perform Norm-Form-Storm-Perform Storm-Norm-Form-Perform Form-Perform-Storm-Norm21. Which of the following methodology is preferred, when a radical transformation in a process is required? DMAIC DMADV Either DMAIC or DMADV None of the above22. The desirable sigma level for all processes is ______________ a) 4.5 sigma b) 6 sigma c) Beyond 6 sigma d) Cannot be said23. As per the classic definition, ____________ focuses on defect reduction, whereas ___________ focuses on reduction of waste. Lean, Six Sigma Six Sigma, Lean Consumer, Producer Producer, Consumer24. The main reason(s) of drawing a sample rather than working with population data is/are: A sample is less time consuming A sample is less costly Both of the above None of the above25. Which of the following statement is correct about Continuous and Attribute Data? Continuous data shows the spread of the data whereas Attribute data does not Continuous Data does not allow any early warning signs and one gets to know only when the defect has occurred Continuous Data, if collected very infrequently, becomes attribute data Attribute Data provides more information than continuous data26. For the following data set, which measure of central tendency will you prefer?2, 2, 3, 6, 7, 7, 8, 93 Mean Median Mode None of the above27. If the variance of a data set is 25 and the range is 9, what is the standard deviation? 3.2 34 5 Cannot be computed28. Which of the following measures of spread considers each data point? Range Inter-Quartile Range Standard Deviation None of the above29. Which of the following is the most critical factor in dealing with organizational obstacles? A well-defined incentive system Well defined organizational business goals Full time six sigma leaders Top Management commitment and support30. Which of the following is NOT a characteristic of measure of spread of data? The more the spread of the data, the larger is the range, standard deviation and variance If all the values in a data set are the same, the range, standard deviation and variance are all zero The less the spread of the data, the smaller is the range, variance and standard deviation If all the values in the data set are very small, the range, the standard deviation and variance are negative.31. Which of the following is true in a perfect normal distribution? 95.45% of the data lies inside +/-2 sigma limits 1% of the data lies outside +/- 1 sigma limit 95% of the data lies within +/- 3 sigma limits None of the above32. Which of the following equation represents the estimated relationship between ZLT and ZST ? ZLT + 1.5 = ZST ZLT - 1.5 = ZST ZST + 1.5 = ZLT ZST / 1.5 = ZLT33. Which of the following are examples of continuous data?I. Height of womenII. Call Resolution Time in a Contact CenterIII. Number of Scratches on the screen of a mobile phoneIV. Pass/Fail based on completeness of form III and IV I and II I, II, III and IV II and III34. Which of the following CANNOT be identified using the Critical Path Method? The possible bottlenecks in a project The effects of deviating from schedule How some activities can be skipped The feasibility of meeting project deadlines35. Which of the following statement is correct? Descriptive Statistics uses a sample to draw inferences for a population Inferential Statistics uses a sample to draw inferences for a population Inferential Statistics can never be reliable Hypothesis testing forms a part of descriptive statistics
