Test your basic knowledge |

Six Sigma

Subjects : certifications, six-sigma, business-skills

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. What is a Pareto chart?
A descending order-sorted bar chart with a cumulative percentage line.
=sqrt(Σ(x-x-bar)^2)/(n-1))
Incoming materials inspection - inspection and testing - maintaining test equipment - materials/services consumed
Concluding there has not been an effect/change when there has.

2. The Test Statistic (TS)
A random variable that summarizes the information from the sample(s).
100%
Rank of 10 if there is >= 100 per 1000 piece Rank of 1 if there is <=.01 per 1000 pieces
Linearity - normality - homoscedasticity - independence.

3. What is a Gage R&R?
To monitor a process when measurement by variables is used.
The number of standard deviations some value is from the mean.
A tools that is used to measure the amount of variation in the measurement system arising from the measurement device (repeatability) and the people taking the measurement (reproducibility).
10 for Hazardous without warning 1 for none

4. What is written on the "spines" of a fishbone diagram?
An experiment where one or more variables believed to have an effect on an experimental outcome are identified and manipulated according to a plan
=sqrt(Σ(x-x-bar)^2)/(n-1))
Causes that lead to a particular effect.
A tool that shows where there is waste in a process.

5. Explain the difference between technical and functional service quality.
Define - measure - analyze - improve - control.
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median
Rank of 10 if there is >= 100 per 1000 piece Rank of 1 if there is <=.01 per 1000 pieces
Technical quality is the "what" of the service; functional quality is the "how."

6. Which type of SPC measurement is more precise - variable or attribute?
Define - measure - analyze - design - verify.
Variable.
Actual drawings - layouts - maps - etc which show where a defect occurs
The process of ranking opportunities to determine which of many potential opportunities should be pursued first.

7. Approximately what percent of a normal distribution falls between ± 2 standard deviations from the mean?
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median
95%
1.Interactions can be detected and measured 2.Each value does the work of several values 3.Experimental error is quantified and used to determine the confidence the experimenter has in the conclusions
Attribute

8. A process is operating "in control." Does this mean the customer's requirements are met?
50%
Inventory = throughput x flow time.
The process of ranking opportunities to determine which of many potential opportunities should be pursued first.
No -- only if the process is also capable.

9. DFMEA
Prediction and estimation. based on an unknown x value - estimation is based on a known x value
Is what induces the failure
Initiated before or at design concept finalization
Mistake-proofing.

10. Test for constant variance
Studying firms with the best performance in a particular area.
Fitness for use.
A tools that is used to measure the amount of variation in the measurement system arising from the measurement device (repeatability) and the people taking the measurement (reproducibility).
Plot the residuals vs. the fitted values (mean of each group - y(hat) = y (bar)i ) - Assumption of ____________not rejected if the dispersion of every group is approximately the same.

11. Pareto Analysis
A tool that shows performance along key dimensions all at once.
The gap between specifications and how service is performed.
The process of ranking opportunities to determine which of many potential opportunities should be pursued first.
1) Identify the Range (Max Value - Min Value) 2) Determine # of bins 3) Determine the Width of each bin --> (Range / # Bins) 4) Put values in correct Bin

12. Stratified defect check sheets
Observed variation in response is caused by the input
5%
The cycle time required to meet demand.
Stratify a particular defect type according to logical criteria

13. To what does the Six in Six Sigma relate?
Rank of 10 if there is >= 100 per 1000 piece Rank of 1 if there is <=.01 per 1000 pieces
QFD
The target number of standard deviations from the mean for specifications.
Define - measure - analyze - improve - control.

14. What quality tool formally incorporates the voice of the customer?
QFD
Rapid improvement process.
Mean time to replacement.
The gap between what management thinks customers want and what customers really want.

15. What is Little's Law?
Inventory = throughput x flow time.
Conformance to specifications.
Technique used to relate through a model - one or more independent variables and a dependent variable (response)
Not necessarily.

16. If you can only collect categorical data - what type of SPC charting can you do?
Mean time to failure.
Attribute.
To be a member of a Six Sigma project team.
The cycle time required to meet demand.

17. Which quality guru developed the concept of loss to society?
If the Response vs. Levels graph if the response lines are not parallel (crossing)
Central Limit Theorem
Reliability - Assurance - Responsiveness - Tangibles - Empathy
Taguchi

18. What is the formula for the standard deviation of a proportion?
=sqrt((p*(1-p)/n)
QFD
Shifts - Trends - Repeating patterns - Correlation with known events
Because the mean and standard deviation are independent of each other.

19. In a regression - what does the standard error of the estimate tell you?
Concluding there has been an effect/change when there has not.
How much variance you expect around the prediction; two SEs gives you a 95% confidence interval.
Causes that lead to a particular effect.
Prevention - appraisal - internal failure - external failure.

20. Daniel Test
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median
Brand image.
Decomposing the total variation of data into: (a) the internal or "natural" or "within" groups variation - and (b) the "between" groups variation in such a way that when these two types of variation are compared - it's possible to determine if there
Another way to assess the significance of the analyzed factors is through a graphic procedure developed by C. Daniel when only one replicate (a single observation) was obtained:

21. What is an affinity diagram?
A brainstorming tool that shows the connections between ideas.
Different types of defects are listed (used for Pareto chart)
1.Interactions can be detected and measured 2.Each value does the work of several values 3.Experimental error is quantified and used to determine the confidence the experimenter has in the conclusions
Technique used to relate through a model - one or more independent variables and a dependent variable (response)

22. DOE
Producer risk.
Yes - when there are opportunities to improve - when contribution margin is adequate - when achieving market share is important.
Variable.
An experiment where one or more variables believed to have an effect on an experimental outcome are identified and manipulated according to a plan

23. TWO-DIMENTIONAL SCATTER PLOT
Speed - courtesy - competence - and ease of repair.
Upper control limit.
An assertion or conjecture concerning one or more populations
A simple graph between two variables - visualize the type - degree of strength and shape of the relationship between two variables

24. Define aesthetic quality.
Prediction and estimation. based on an unknown x value - estimation is based on a known x value
A systemized group of activities designed to 1. recognize and evaluate the potential failure of product/process and its effects 2. Identify actions which could eliminate or reduce the chance of potential failure ocurring 3. document the process
Pleasing to the senses.
Rapid improvement process.

25. Where should specifications fall in relation to ± 3 sigma for the process in order for a process to be capable.
Outside.
Workers - machines - materials.
An assertion or conjecture concerning one or more populations
Walter A. Shewhart

26. Define takt time.
Shifts - Trends - Repeating patterns - Correlation with known events
Actual drawings - layouts - maps - etc which show where a defect occurs
The cycle time required to meet demand.
Sampling for SPC is done real time.

27. List two components of internal failure.
A descending order-sorted bar chart with a cumulative percentage line.
Used to create frequency distribution tally sheets
A diagram that shows the relationships between activities in a project network.
Scrap - rework - retest - downtime - yield losses - disposition costs.

28. When either attribute or variable measures could be used for SPC - why might attribute measurement be preferred?
Lower skill requirements - faster - less chance for error.
Assigns scores to weighted criteria for each project under consideration.
Actual drawings - layouts - maps - etc which show where a defect occurs
The gap between what is promised and what is delivered.

29. Uses of regression - Control
To obtain a certain desirable outcome from the process
50%
Scrap - rework - retest - downtime - yield losses - disposition costs.
A brainstorming tool that shows the connections between ideas.

30. One factor at a time (OFAT)
If the Response vs. Levels graph if the response lines are not parallel (crossing)
Observed variation in response is caused by the input
Different types of defects are listed (used for Pareto chart)
The gap between what customers expect and the service they receive.

31. What is a dashboard?
To monitor a process when measurement by variables is used.
A tool that shows performance along key dimensions all at once.
Decomposing the total variation of data into: (a) the internal or "natural" or "within" groups variation - and (b) the "between" groups variation in such a way that when these two types of variation are compared - it's possible to determine if there
The degree to which a product meets pre-established standards.

32. What size should samples be for attribute SPC?
Large enough to find two of the attribute - on average.
No; if the process is centered - Cp will be the same; if not - Cpk is what you need to determine capabilty.
Mean time to failure.
Outside.

33. Define features.
The secondary characteristics of a product; "bells and whistles."
Reliability - Assurance - Responsiveness - Tangibles - Empathy
How much variance you expect around the prediction; two SEs gives you a 95% confidence interval.
Linearity - normality - homoscedasticity - independence.

34. What does the abbreviation LCL stand for?
Actual drawings - layouts - maps - etc which show where a defect occurs
Lower control limit.
=sqrt(Σ(x-x-bar)^2)/(n-1))
Concluding there has been an effect/change when there has not.

35. Regression Analysis
Actual drawings - layouts - maps - etc which show where a defect occurs
Technique used to relate through a model - one or more independent variables and a dependent variable (response)
Fishbone - cause-and-effect diagram.
Quality planning - design review - education and training - process control - IS costs - quality reporting - improvement project costs - working with suppliers before production.

36. For what is an x-bar chart used?
To monitor a process when measurement by variables is used.
The ratio of outputs to inputs; 1-scrap.
Prevention and appraisal costs are balanced against internal and external failure.
Conformance to specifications.

37. What is Jidoka?
Failure Modes and Effects Analysis
Represents the behavior of a process
Controlling quality at the source.
1) Identify the Range (Max Value - Min Value) 2) Determine # of bins 3) Determine the Width of each bin --> (Range / # Bins) 4) Put values in correct Bin

38. If a three-stage process has 90% yields at each stage - what is the overall yield?
Pleasing to the senses.
Kaoru Ishikawa.
3.4 (assuming 1.5 sigma shift in the mean)
0.9^3 or 72.9%

39. What are the four perspectives of the Balanced Scorecard?
Financial - customer - internal process - innovation and learning.
The degree to which a product meets pre-established standards.
Plot the residuals vs. the fitted values (mean of each group - y(hat) = y (bar)i ) - Assumption of ____________not rejected if the dispersion of every group is approximately the same.
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median

40. What is the center line of an X-bar chart?
To do a capability study for a non-centered process.
A tool that shows performance along key dimensions all at once.
X-bar-bar
To mentor/coach (and sometimes train) black belts.

41. What is process capability?
Speed - courtesy - competence - and ease of repair.
The ability of a process to consistently meet customer specifications.
Prediction and estimation. based on an unknown x value - estimation is based on a known x value
Waste.

42. If your process is capable at two sigma - what percentage of the output will you have to inspect to find defectives?
Fewer good units to sell - increased variable cost/unit.
100%
Organize ideas into meaningful categories by recognizing their underlying similarity
Look to your customer - not to other firms. "You can always find someone shorter - fatter and balder!"

43. Histogram by Hand
= yij - y(bar)i --> value minus sum of that treatment (of row)
The degree to which a product meets pre-established standards.
Performance - features - conformance - reliability - durability - serviceability - aesthetics - perceived quality
1) Identify the Range (Max Value - Min Value) 2) Determine # of bins 3) Determine the Width of each bin --> (Range / # Bins) 4) Put values in correct Bin

44. What is the role of a master black belt?
Causes that lead to a particular effect.
No; if the process is centered - Cp will be the same; if not - Cpk is what you need to determine capabilty.
To mentor/coach (and sometimes train) black belts.
3.4 (assuming 1.5 sigma shift in the mean)

45. Risk Priority Number RPN
= S x O x D S--> Severity O--> Occurrence D--> Detection Higher the number the worse it is
The amount of variation in the dependent variable that is explained by the variation in the independent variable(s).
Hold all input variables constant except one. Observe the response as you vary the single input.
Central Limit Theorem

46. Presence of interaction effect
Through producer/consumer negotiation.
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median
To monitor a process when measurement by variables is used.
If the Response vs. Levels graph if the response lines are not parallel (crossing)

47. In your major - courses are pass-fail. Would you monitor performance using attribute or variable SPC?
Attribute
No -- the variation also has to be random and "expected."
The gap between specifications and how service is performed.
The amount of variation in the dependent variable that is explained by the variation in the independent variable(s).

48. FMEA
A systemized group of activities designed to 1. recognize and evaluate the potential failure of product/process and its effects 2. Identify actions which could eliminate or reduce the chance of potential failure ocurring 3. document the process
Attribute.
The gap between what management thinks customers want and the process specifications.
Actual drawings - layouts - maps - etc which show where a defect occurs

49. PFMEA
Outside.
Before production starts
Concluding there has been an effect/change when there has not.
Because the mean and standard deviation are independent of each other.

50. What is the Deming Prize?
1.Interactions can be detected and measured 2.Each value does the work of several values 3.Experimental error is quantified and used to determine the confidence the experimenter has in the conclusions
The Japanese national quality award.
A random variable that summarizes the information from the sample(s).
Plot the residuals vs. the fitted values (mean of each group - y(hat) = y (bar)i ) - Assumption of ____________not rejected if the dispersion of every group is approximately the same.

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Major Subjects
Tests & Exams AP CLEP DSST GRE SAT GMAT	Certifications CISSP go to https://www.isc2.org/ PMP ITIL RHCE MCTS More...	IT Skills Android Programming Data Modeling Objective C Programming Basic Python Programming Adobe Illustrator More...	Business Skills Advertising Techniques Business Accounting Basics Business Strategy Human Resource Management Marketing Basics More...
Soft Skills Body Language People Skills Public Speaking Persuasion Job Hunting And Resumes More...	Vocabulary GRE Vocab SAT Vocab TOEFL Essential Vocab Basic English Words For All Global Words You Should Know Business English More...	Languages AP German Vocab AP Latin Vocab SAT Subject Test: French Italian Survival Norwegian Survival More...	Engineering Audio Engineering Computer Science Engineering Aerospace Engineering Chemical Engineering Structural Engineering More...
Health Sciences Basic Nursing Skills Health Science Language Fundamentals Veterinary Technology Medical Language Cardiology Clinical Surgery More...	English Grammar Fundamentals Literary And Rhetorical Vocab Elements Of Style Vocab Introduction To English Major Complete Advanced Sentences Literature Homonyms More...	Math Algebra Formulas Basic Arithmetic: Measurements Metric Conversions Geometric Properties Important Math Facts Number Sense Vocab Business Math More...	Other Major Subjects Science Economics History Law Performing-arts Cooking Logic & Reasoning Trivia

Test your basic knowledge |

Six Sigma

Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?

Let me suggest you:

Browse all subjects

Browse all tests

Most popular tests

Major Subjects

Tests & Exams

Certifications

IT Skills

Business Skills

Soft Skills

Vocabulary

Languages

Engineering

Health Sciences

English

Math

Other Major Subjects

Browse all subjects

Browse all tests

Most popular tests