1. Which of the following is not one of the three key measurements of the RPN number in a FMEA? Severity Time Frequency Detection 2. What type of individual in the six sigma organization is responsible for managing larger portfolio type of projects? Green Belt Project Champion Black Belt Yellow Belt 3. To reduce process throughput time, you might try which of the following actions? Perform activities in parallel Change the sequence of activities Reduce interruptions Make sure bottlenecks stay working All of the above 4. What item below best describes process variation (standard deviation)? Points not centrally located outside the mean A cluster of outcomes located at one central point How tightly all the various outcomes are clustered around a mean The overall calculated point cluster to the right of the mean 5. The term used to best describe a short run performance of a process relative to a customer specification limit is called (which is a measure of defects per million)? Cpk RPN PPk UCL/LCL 6. What type of control chart would be used to analyze rate of flow in a water pump? Xbar R chart P chart U chart C chart 7. A poka yoke in a computer that is asks to auto save a file would reduce the score associated with what part of a FMEA process? Severity Occurance Detection All of the above Use the attached FMEA process to answer the next 2 questions: Fall assessmen t upon admission Fall Anethesia Failure Effect(s) Potential injury 10 1 Existing Control(s ) 1 Risk Priority Number (RPN) Failure Cause(s) Probability of 10) Detection (1- Potential Failure Mode Probability of (1-10) Occurrence Step(s) in the Process Severity (1-10) 8. Which of the following would be considered one of the key risk factors (identified x) for the attached process? 10 Recommende d Actions Amublation assistance for the first 24 hours after admission No asssesmen t Incorrect fall assessmen t Medication issues Fall Lack of complete patient history information . Slip or trip due to wet floor, trip hazards, patient urgency. Inaccurate fall risk assigned to patient Potential Injury 8 8 2 1 Patients assigned fall risk category 2 32 1 8 Patient not identified as having a high fall risk Incorrect use of assessmen t Lack of fall intervention s 7 2 2 28 Overmedication Patients are admitted in an agitated state requiring stronger medication. Drowsiness leading to a fall 8 3 2 48 Medication s increase ataxia and/or drowsiness Medication s have sedating and ataxic effects. Potential Injury 9 8 2 144 Slip or trip due to wet floor, trip hazards, patient urgency. Anethesia Potential Injury Medications have sedating and ataxic effects. 9. Which of the following would be considered the most damaging defect? Lack of complete patient history information. Medications have sedating and ataxic effects. Chart audits to assure admission evalution Training on fall assessment and prevention. Monitor falls to insure that risks and preventions are identified. Medication training to make clinicians aware of sedative potential of medications. Post alerts on patients with high medication. Include fall risk in shift assessment. Staff training on medication effects.Include fall risk in shift assessment. Patient not identified as having a high fall risk Fall 10. If we produce more than is needed by the next step in the process or more than the customer needs this is an example of which element of waste: Overproduction Correction (defects) Overprocessing Conveyance 11. Specifying within Six Sigma change in performance comes from identifying and controlling: KPIVs (x's) KPOVs (Y's) latent variables Transparent variables 12. A type of bar graph used to help prioritize processes: Time Series Plot Process Alignment Graph Pareto Chart Process Elimination Chart 13. The underlying purpose of acceptance sampling is to: determine whether to accept or reject a lot estimate the quality of the lot determine the defective items in a lot identify defective items in a lot for rework none of the above 14. For a symmetrical distribution, the appropriate statistic to describe the central tendency is? Mean Median Standard Deviation Interquartile Range 15. Which of the following statements can be inferred from the chart and its corresponding trend line? The average household paid roughly $211.30 more for their vehicle for each $1000 increase in annual income level A household with an annual income of $28,500 paid approximately $30,000 for their vehicle at that dealership The dealership expects households with annual incomes of $150,000 to pay $37,561 for their vehicle There is no causal relationship between household income and price none of the above 16. Use the information from quesiton 15 What is the slope coefficient ? 5866.3 .2113 .7659 R^2 17. Use the information from quesiton 15 for you answer For a family making 120,000 what value would we predict their price of their car? 25000 31222 5866.3 Unknown 18. From question 15 answer the following question What does R^2 mean for this problem? 21 percent of all people will purchase a car Without income a family will still pay over $5000 for a car Income explains over 70% of the variance in car price Car price explains over 70% of the variance in Income 19. The tool that best measures risk in process/project management is? Process Map Value Stream Map FMEA Cause and Effect Diagram Use the following information for the next 4 questions. Rockness Recycling refurbishes rundown students. The process uses a moving belt which carries each student through the seven step process in sequence. The seven steps are as follows Step Description Time Required per Student 1 Unpack and place on belt 1.0 minutes 2 Remove off bad habits 1.0 minutes 3 Scrub and clean mind 0.8 minutes 4 Insert modern methods 1.5 minutes 5 Polish and pack 1.2 minutes 10% defect rate 6 Inspection 0.8 minutes 10% failure - all failures leave the system 7 Shipping 0.5 minutes One faculty member is assigned to each step. The system is on 40 hours a week, 8 hour days for 5 days. The process is currently full and in steady state. 20. Which station is considered the bottleneck? Unpack and place on belt Shipping Insert modern methods Inspection 21. The throughput time of the first unit (assuming the product is good) in the process is? 0.8 min 1.5 min 6.8 min Impossible to tell 22. The cycle time of the process is? 0.8 min 1.5 min 6.8 min 13.6 min 23. In a 40 hour week (assuming steady state) how many good students could this system process(first pass)? 352 students 317 students 1600 students 1444 students 1296 students 24. What is the FPY (Rolled Throughput Yield) of the system? 95% 5% 81% Cannot tell from data 25. Interquartile Range is the difference between the 25th percentile and the 50th percentile. True False 26. Which item below is NOT necessary to determine process capability for a process with a continuous output: Shape of process data distribution (e.g. normal distribution) Process mean Process standard deviation Process control limits Specification limit or limits 27. What is the estimated probability of a process to give a result within +/- 3 standard deviations from the mean for a normally distributed process? 68.27% 99.73% 100% 95.45% 28. What does Cp tell you? (Check all that apply) What is possible if your process is perfectly centered Process capability for short run variance Overall Process Performance If your specs are too tight 29. A process with the following parameter exists (Mean = 20, standard deviation = 3, USL =30, LSL = 15) What is CPK 1.0 .555 1.111 .833 30. A process with the following parameter exists (Mean = 20, standard deviation = 3, USL =30, LSL = 15) What is CP 1.0 .555 1.111 .833 A quality control engineer has completed a laboratory test on the time to failure of an electronic component. The following statistics summarize the results. Time to failure (hours) Mean 11,804 Median 8,017 Q1, Q3 5,000 - 10,505 Standard Deviation 4,870 IQR 5,505 31. In a non-symetrical process at what value would you get a positive outlier? 19027 13522 14610 26414 18,763 32. If the mean in a test is 65 and the standard deviation is 5, it would be very unlikely (< 20%) to have a test score of over 70. True False 33. Too much walking around in a company would be associated with what form of waste? Motion Defects Over Processing Waiting 34. What type of control chart should be used to measure the amount of defects per unit? X bar, R chart I-MR Chart P chart U Chart non-value added A computer manufacturer notes the number of defective items produced by an assembly line in Week 1 of a new process. These values are listed in the table below. Week 1 Sunday Monday Tuesday Wednesday Thursday Friday Saturday 15 21 12 16 22 18 16 35. Assume that the exact same set of data repeats during Week 2. How will this additional data affect the standard deviation of the data set? The standard deviation will be halved. The mean will double The standard deviation will be doubled The standard deviation will go down slightly 36. Which of the following tools do we use to create large number of ideas and sort into logical categories? Inter relationship diagram Affinity Diagram Cause and Effect Diagram Tree Diagram 37. The equation that is used to describe six sigma is? Y=f(x) KPOV=f(KPIV) Dependent = f(independent) all of the above 38. In bivariate analysis (scatterplots) the term we look at to examine the rate of change of the the independent variable relative to the dependent variable is? Slope P Value R2 Sum of Squares 39. A CPk of your process is 1.3. This would indicate? Process is in control Process is out of control Process is capable Process is not capable 40. In change management the most important individual in the change process is? Project Champion Project Manager Team Members people who work in the process Use the following to answer the next three questions. Performance Performance 12 14 Mean 21.9 32 Median 18.5 23 Std. Deviation 13.08 18 IQR 11.00 26 Mode n/a 19 Skewness 3.11 7 Kurtosis 1.61 15 q1=14.25, q3=25.25 53 41. The appropriate measure of center and spread is? Mean and IQR Mean and Standard Deviaiton Median and IQR Median and Standard Deviation 42. Using the data above are their outliers in this dataset? True False 43. What is the CV of the above dataset? .59 .75 1.68 1.42 44. Is the following process in control? 60.000 55.000 50.000 45.000 40.000 35.000 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 True False 45. The control chart most appropriate for plotting the daily percentage of students that wait longer than 5 minutes in line at the undergraduate admissions office is a? c-chart p-chart Xbar, R Chart I-MR Chart Impossible to determine 46. The R2=.53 indicates? This is a good model The model is significant The model is not significant 53% of total variance is explained 47. The type of diagram used to look at requirement gaps between our process and our customer called a? needs is Cross Functional Flow Map Value Stream Map SIPOC-R Map Functional Process Map Use the following value stream map to answer the following 2 questions. 48. What is the total lead time for the entire process? 1 day 3 days 1 minute 1 minute 3 days 49. What is the FPQ for this problem? 95% 81% 50% 83% 50. What is the value for the multiple in this problem? (assuming a 24 hour day) 4321 3 .0002 72