Green Belt Sample Paper by Vishwadeep Khatri | May 28, 2020 | 0 comments Q. Which of the following is NOT a statistical approach in identifying critical X’s? Chi-square test VA/NVA Analysis 2 proportion test Linear regression None Q. An appraiser provides consistent scores every time he makes a measurement. All other appraisers show similar performance. However many of them do not agree with the standard answer. The issue is with the: Appraiser Repeatability Appraiser Accuracy Appraiser Reproducibility Team repeatability None Q. Panel of experts, questionnaires and anonymity are prime features of: Pugh Matrix Stakeholder Analysis Delphi Technique Control Impact Matrix None Q. The FTY’s of four sequential process steps are 0.8, 0.91, 0.90, 0.99. What is the RTY for the process? 0.6000 0.5832 0.6486 0.7200 None Q. Which of the following is TRUE with respect to control charts? Any point outside the control limit always signifies a defective point Lower control limit may be negative in discrete data control charts The control limits gets adjusted for variable sample sizes Only special cause variation is plotted on a control chart None Q. Who approves the successful closure of the project? Sponsor Project Leader Process Owner Champion None Q. In ___________ sampling there is high homogeneity within groups and high heterogeneity between groups. Stratified Sampling Random Sampling Systematic Sampling Cluster Sampling None Q. What is the area contained within ± 3 standard deviations on either side of mean in a normal curve? 68.26 % 95.46 % 99.73 % 50.00 % None Q. 'Hiring an incorrect candidate for the job' will lead to which of the following waste? Waiting Over-processing Motion Underutilized talent/skill None Q. DPMO can be calculated from: Continuous data following normal distribution, provided specifications are known Defects data provided OFE is known Defective data All the above None Q. It normally takes me 30-40 minutes to commute to office daily. Note that it does not take me exactly 35 minutes each time because there is attribution of _______ variation. Special cause Common cause Root cause None of the above None Q. The proposed change is “Upgrade factory with new manufacturing equipment’s”. Which of the following methods can be used to understand the forces in favor of the change (e.g. Improved speed, Low maintenance cost) and forces against the change (e.g. Loss of overtime income, impact on environment)? SWOT analysis Force field analysis Root cause analysis Time and motion analysis None Q. All the following are graphical tools, EXCEPT Pareto plot Box plot Scatter plot Failure Mode and Effects Analysis None Q. Analysis of variance (ANOVA) compares Two population standard deviations Two population variances Two population proportions None of the above None Q. Which of the following is an example of Visual control and not a warning? Starting of the reserve light in the car panel if the fuel in the tank is low Low battery pop-up if the laptop is low on power Battery status icon in your phone None of the above None Q. If alpha is 0.05, then significance level is 0.95 95% 0.05 0.5 None Q. What is the relationship between standard deviation and variance? Variance is the square root of standard deviation Standard deviation is the square of variance Standard deviation and variance are not related to each other Standard deviation is the square root of variance None Q. Specification limits may be given by: Customers Regulatory bodies Research & Development team All of the above None Q. Which of the following is TRUE? Causes in fishbone must be bucketed into categories starting with the same alphabet. E.g. 6M, 4P, 4S, etc. Affinity diagram and fishbone diagram can be used to list potential causes In affinity diagram the first task is to create categories in which causes having some commonality can be grouped post brainstorming Ishikawa diagram is another name for Affinity diagram None Q. What is the main deliverable of Improve phase? List of critical X's Approved Project Charter Control plan for critical x’s Selected solution None Q. __________ is used when the improvement made with ___________ are not enough. DMAIC, DMADV DMADV, IDOV IDOV, DMAIC DMADV, DMAIC None Q. The appropriate graphical tools for displaying frequency distribution of discrete data are: Pie chart, Bar chart Histogram, Bar chart Pie chart, Histogram Histogram, Scatter plot None Q. ___________ is measuring your performance against the best in class companies, determining how those performance levels are achieved, and using that information as the basis for your own company’s targets, strategies and implementation. Creative thinking Probing Benchmarking De Bono six thinking hats None Q. Which of the following is NOT a lagging indicator? Topline - Revenue of the organization Profit after tax On-going Six Sigma projects Number of training hours completed in the last 6 months None Q. Which one of the following is NOT TRUE? Higher the RPN, higher the risk Higher detection rank means poor ability to detect Higher severity rank indicates high risk Improving detection reduces occurrence None Q. The X-bar chart monitors measure of _____ , whereas the S chart monitors measure of _____ . Spread, Central tendency Dispersion, Spread Central tendency, Dispersion Spread, Dispersion None Q. Which one of the following is FALSE? The project leader is accountable for sustaining the improvement in the process The process owner reviews and approves process changes The sponsor or champion could also be a process owner The executive sponsor allocates resources for the project None Q. The result of the improvements and financial benefits need to be generally monitored for ______ 1 year 1 month 10 years Throughout the life of the process None Q. A good DMAIC project is one for which: There is a gap between the current performance and desired performance Cause of the problem is unknown or not clearly understood There isn’t any predetermined or apparent optimal solution All the above None Q. Which of the following is true? Boxplot displays the mean, Q3 and Q1 of the data set The median will also be the mean, for a data that follows perfect normal distribution The higher the variation the smaller is the Inter-quartile range The median is always in the center of the box in a box plot None Q. The purpose of operational definition is to provide a single, agreed upon meaning of the CTQ to all the stakeholders to ensure reliability and consistency of measurement to provide a clear and understandable description of what is to be observed and measured All the above None Q. All the statements given below are false, EXCEPT Ppk is always equal to or greater than Pp If the Ppk value becomes zero, then the process average is at one of the specification limits The Pp and Ppk values will be 2 if the process is perfectly centered In both Pp and Ppk, the lower the value, higher the performance level None Q. Which of the following is NOT an example of a strong poka-yoke? The lift stops operation in case of overload The heating oven does not start if the door is open Mandatory sections in the online form which don’t allow submission unless filled Seat-belt warning in a car None Q. In a Pareto plot, what is represented on the secondary Y axis? % contribution Frequency % cumulative contribution Severity None Q. Which of the following will help generate a list of potential causes? Fishbone diagram Affinity diagram Cause and effect diagram All the above None Q. Which of the following tools is used for managing the timelines of a project? SIPOC Root Cause Analysis Gantt Chart Attribute Agreement Analysis None Q. XYZ company wants to know whether the proportion of customers opening an e-mail increases if the customer’s name is mentioned in the title. % mails opened with name in title is to be compared with % mails opened without name in the title. What is the appropriate test for the above objective? 2-Sample t test 2-Proportion test Chi-Square test Correlation None Q. Which of the following is NOT TRUE about discrete data control charts? Q. Which of the following is NOT TRUE about discrete data control charts? Early warning shifts of the mean line towards the lower side will not be a concern The LCL cannot be lower than zero Values below the LCL will not be of high concern None of the above None Q. The control chart to be plotted is selected based on Type of data Sub-group size Customer specification limits Both type of data & sub-group size None Q. Which one of the following options is preferred for narrowing down long list of ideas to a manageable list for detailed evaluation? Multi-voting FMEA Delphi technique Nominal Group Technique None Q. Six Sigma level corresponds to: 1 defects per billion opportunities 0.001 defects per million opportunities 1 parts per billion All the above None Q. Voltage stabilizer is a device that ensures a stabilized voltage to an electrical appliance. This is an example of Auto-correction Visual Aid Shutdown Warning None Q. Which of the following is NOT a part of the control plan? Audit and inspection plans List of solutions to be implemented Risk mitigation and response plans Validation of mistake proofing systems None Q. Which of the following is NOT used for evaluating alternative solutions? Multi-voting Pugh Matrix Brainstorming FMEA None Q. If data matches the normal distribution, the best measure of central tendency is Mean Moving range Median IQR None Q. Which one of the following statements is NOT TRUE? Lean projects focus on removal of waste from the process DMAIC methodology is a proactive approach DMADV can be used for developing a new process 5S should be one of the initial improvement initiatives to be implemented None Q. Which of the following is NOT an advantage of Pilot study? Improves the full-scale implementation of solution Validates expectations and facilitates buy-in from stakeholders Helps us achieve sub-optimization Helps identification of previously unknown performance problems None Q. FMEA can be used for To identify critical causes To evaluate solutions for implementation For risk assessment All the above None Q. In creating the SIPOC the following steps are involved. i. Identifying inputs and their suppliers,ii. Identifying process,iii. Identifying process start and end,iv. Identifying outputs,v. Identifying customers.The most appropriate sequence is: i > ii > iii > iv > v ii > iii > i > iv > v v > iv > i > ii > iii v > iv > iii > ii > i None Q. “Control” doesn’t necessarily mean that the product or service will meet the needs. It only means that the process is ___________. Conforming Consistent Capable Critical None Q. Which of the following is true about Six Sigma? It is a statistical approach to problem solving Six sigma focuses on defect reduction Six Sigma started at Motorola All the above None Q. PFMEA stands for Potential failure mode and effective analysis Process failure mode and effects analysis Probable failure mode and effects analysis Potential failure means and effects analysis None Q. Which of the following statements is FALSE? Sigma level can be calculated for both discrete and continuous data If standard deviation decreases, Sigma level increases Sigma level can be converted to a corresponding DPMO All processes should operate at a six sigma level None Q. As sigma (standard deviation) ___________, sigma level_________ and DPMO __________. Increases, decreases, decreases decreases, decreases, increases decreases, decreases, decreases None of the above None Q. Business case in a project charter _______________ Creates urgency for the project Serves as a burning platform Is the most important element for the sponsor All the above None Q. All the statements below are TRUE, EXCEPT A full-scale solution implementation plan should always be created incorporating the learning from the Pilot Full-scale implementation can be taken as a project in itself and project management techniques can be used The full-scale implementation plan will include schedule, FMEA, training plan, cost benefit analysis, etc The tools used to manage/monitor the process can be discontinued once the goals are achieved None Q. All the statements below regarding project charter are true, EXCEPT: Can be, and often is, modified in any phase of DMAIC Provides a reference point the team can continually refer to in order to keep direction and scope Key elements include; Business case, Problem statement, Scope, Goal, etc. Any edits to the charter need to be signed off by Subject Matter Expert None Q. All the following are attributes of Pugh Matrix, EXCEPT It compares current situation (datum) will multiple alternatives It also compares all alternatives with each other It is used when decision is to be made on basis of several criteria Useful when a list of options must be narrowed down to one choice None Q. A manager in the accounting department wants to track how long it takes to process and approve expense reports on a weekly basis. Time for 20 reports is recorded weekly. An appropriate control chart will be p-chart I-MR chart Xbar-S chart Xbar-R chart None Q. Pareto will only list issues which have occurred in the past, while FMEA will also list potential failures that have no history of occurrence. This makes the former a ______tool. Proactive Better Reactive More reliable None Q. _________ is credited as the father of Six Sigma. Mikel Harry Bill Smith Bob Galvin Larry Bossidy None Q. During frisking at airports, the metal detectors are passed over the metal belt first. This is an example of: Logical validation Repeatability Attribute agreement analysis Gage R & R None Q. When some group members are much more vocal than others, to encourage equal participation from all, ___________ is preferred as it has limited vocal interaction. Traditional brainstorming Nominal group technique Delphi technique All the above None Q. Value adding step in a process is something: Customer is willing to pay for Transforms the product/service Essential to be done right the first time All the above None Q. The design specification for a cap diameter is 2 ± 0.05 cm. The diameter data follows normal distribution with mean of 2.02 cm and standard deviation of 0.01 cm. Calculate Pp, Ppk and give appropriate recommendation Pp=1.67, Ppk=1; Process mean to be shifted to target Pp=0.33, Ppk=0.2; Process mean to be shifted to target Pp=0.33, Ppk=0.33; Variation to be reduced Pp=1.67, Ppk=1; Variation to be reduced None Q. Control phase tollgate checklist includes all the following, EXCEPT Have the “lessons learned” been captured? Has the training for process owners been completed? Have replication opportunities been identified? What were the evaluation criteria’s for solution selection? None Q. If the VOB is “Collection of accounts receivable is taking too long” then a suitable Critical Business Requirement (CBR) is Time to receive payments (TAT) % On-time payments Accounts receivable should be closed within 30 days Days sales outstanding (DSO) None Q. Quality team at an online retailer checks images and classifies them as “OK” or “NOT OK”. Although 70% of the images are handled by automation, 30% images are still checked manually which the system fails to classify correctly. Which of the following is an appropriate method to validate the manual measurement system? Focus on the operational definition Logical validation Gage Repeatability and Reproducibility Attribute Agreement Analysis None Q. What will be the appropriate CTQ for the following VOB “Our documents have too many errors”? DPU (Errors/Document) Turn-around time Processing time All the above None Q. ___________ is the right person to guide the project leader in case they get stuck in a project. Sponsor Champion Master Black Belt Process owner None Q. ____________ are used to make small continuous improvements in workplace. Kaizens DMAIC projects Kaikakus DMADV projects None Q. As per the SLA, all complaints should be resolved within 8 hours. Currently the average resolution time is 4.57 hours and standard deviation is 0.8 hours. What is DPMO? 4.29 9.03 5.97 None of the above None Q. Elements that might be included in high level process maps are: Decision that must be made Time involved at each step Sequence of actions All the above None Q. DoE stands for Design of Effects Design of Experiments Defects of Experiments Defects of Effects None Q. “Higher the better” applies to all the following, EXCEPT Sigma level Pp DPU Yield None Q. Which of the following statements about Scatter plot is TRUE? A negative correlation is a sure sign of a non-critical input (X) Scatter plot can only be made for Discrete data A high correlation does not imply causation None of the above None Q. Which of the following process has the highest Performance Ratio (Pp)?Process A - USL = 30, LSL = 20, Mean = 20, Standard Deviation = 1Process B - USL = 30, LSL = 20, Mean = 15, Standard Deviation = 2Process C - USL = 31, LSL = 21, Mean = 25, Standard Deviation = 1 Process A Process B Process C Both Process A and C None Q. Which one of the following is FALSE? P-value is compared to alpha which is always fixed at 0.05 P-value cannot be more than 1 If P-value is less the alpha, then alternate hypothesis is accepted P-value cannot be less than 0 None Q. 100 transactions were inspected, 20 errors were found in 15 transactions. What is DPU? 0.02 2 1.33 0.2 None Q. Which of the following is CORRECT in case of De Bono Six Thinking Hats? The Green hat is encouraged to use lateral thinking and explore alternative ideas The White hat gives team members the opportunity to present their intuitions and feelings The Red hat requires team members to consider only data and information at hand “Thinking about thinking” is applicable to orange hat None Time's up Author Recent Posts Vishwadeep Khatri Latest posts by Vishwadeep Khatri (see all) Online Lean Six Sigma Green Belt Certification - December 28, 2020 Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Phone Email * Website Save my name, email, and website in this browser for the next time I comment.
