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. Process occurance ranking
Consumer risk.
Rank of 10 if there is >= 100 per 1000 piece Rank of 1 if there is <=.01 per 1000 pieces
How likely it is to have an F statistic of that value if there really is no relationship between the dependent variable and the independent variable(s).
If the Response vs. Levels graph if the response lines are not parallel (crossing)

2. Cause and Effect Diagrams
= y = Beta(0) + Beta(1)X + epsilon y=dependent variable (response) x=independent variable (predictor of y) - epsilon=error component - Beta(not)=intersection. If data include zero - it represents the mean of the distribution of y when - x=0. It does
The gap between what management thinks customers want and the process specifications.
If the Response vs. Levels graph if the response lines are not parallel (crossing)
Method developed by Ishikawa to graphically display the causes of any given problem

3. Test for Independence
A tool that shows performance along key dimensions all at once.
Method developed by Ishikawa to graphically display the causes of any given problem
The Japanese national quality award.
consists of plotting the residuals vs. the order of each experiment - If - as in the case of the constant variance a random horizontal band is obtained - the ______________ of the residuals is not rejected. (should be random above a below the line i

4. What is a Gantt chart?
Shows the temporal flow of activities in a project network.
A random variable that summarizes the information from the sample(s).
No -- the variation also has to be random and "expected."
Quality planning - design review - education and training - process control - IS costs - quality reporting - improvement project costs - working with suppliers before production.

5. DFMEA
Blame.
Initiated before or at design concept finalization
1) Obtain Residuals 2) Fill out table --> y coordinates: F = 100 (i-.5)/N x coordinates: Ordered Residual 3) Plot on Normal Probability Paper
Is the consequence of the failure.

6. What are the Five Dimensions of Service Quality?
Reliability - Assurance - Responsiveness - Tangibles - Empathy
The gap between what management thinks customers want and the process specifications.
An experiment where one or more variables believed to have an effect on an experimental outcome are identified and manipulated according to a plan
Actual drawings - layouts - maps - etc which show where a defect occurs

7. If you can only collect categorical data - what type of SPC charting can you do?
Attribute.
Concluding there has been an effect/change when there has not.
Define - measure - analyze - design - verify.
The number of standard deviations some value is from the mean.

8. Define conformance quality.
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).
68%
Deming.
The degree to which a product meets pre-established standards.

9. What is a dashboard?
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:
Central Limit Theorem
A tool that shows performance along key dimensions all at once.
Failure Modes and Effects Analysis

10. Uses of regression - Control
To obtain a certain desirable outcome from the process
Deming.
It looks to minimize the probability of a failure - or to minimize its effects
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

11. What is the role of a master black belt?
To mentor/coach (and sometimes train) black belts.
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).
Supplier - input - process - output - customer.
A random variable that summarizes the information from the sample(s).

12. What is a Gage R&R?
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).
= y = Beta(0) + Beta(1)X + epsilon y=dependent variable (response) x=independent variable (predictor of y) - epsilon=error component - Beta(not)=intersection. If data include zero - it represents the mean of the distribution of y when - x=0. It does
Workers - machines - materials.
It's good -- but it's still out of control!

13. Failure effect
Is the consequence of the failure.
Deming.
5%
Performance - features - conformance - reliability - durability - serviceability - aesthetics - perceived quality

14. Effect ranking (Severity of the Defect)
Someone who is consistently against virtually everything.
10 for Hazardous without warning 1 for none
Vary two or more variables simultaneously - Multiple measurements are obtained under the same experimental conditions
A scatterplot.

15. What type of risk is associated with Type 1 Error?
Producer risk.
10 if Almost impossible to detect
False - because each machine will have different natural tolerances.
=sqrt((p*(1-p)/n)

16. Your production process meets customer specifications. Is your process in control?
Scrap - rework - retest - downtime - yield losses - disposition costs.
Not necessarily.
Central Limit Theorem
Define - measure - analyze - design - verify.

17. What is Type II Error?
To mentor/coach (and sometimes train) black belts.
Concluding there has not been an effect/change when there has.
Central Limit Theorem
To monitor a process when measurement by attribute is used.

18. In the Service Quality Gap Model - what is Gap 3?
Sort - Set in Order - Shine - Standardize - Sustain
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 primary operating characteristics of a product.
The gap between specifications and how service is performed.

19. Who developed the fishbone diagram?
The gap between specifications and how service is performed.
Lean (or JIT).
Initiated before or at design concept finalization
Kaoru Ishikawa.

20. What is DMADV?
Fractional factorial designs (orthogonal arrays)
The ratio of outputs to inputs; 1-scrap.
Define - measure - analyze - design - verify.
=sqrt(Σ(x-x-bar)^2)/(n-1))

21. Why do you need two control charts for variables SPC?
Data reduction to put a large number of qualitative inputs into a smaller number of major dimensions
A scatterplot.
Because the mean and standard deviation are independent of each other.
The degree to which a product meets pre-established standards.

22. Define yield.
The ratio of outputs to inputs; 1-scrap.
No -- the variation also has to be random and "expected."
An interaction is defined as a dependence relationship between the response and the levels of two or more variables
Mean time to failure.

23. Definition of Interaction
A tool that shows performance along key dimensions all at once.
F_alpha - df(tr) - df (error)
To manage the Six Sigma project.
An interaction is defined as a dependence relationship between the response and the levels of two or more variables

24. Creating a Run Chart
Someone who is consistently against virtually everything.
Upper control limit.
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median
Causes that lead to a particular effect.

25. What is the 5S model?
System to reduce waste and optimize productivity through maintaining an orderly workplace and using visual cues to achieve more consistent operational results.
Fitness for use.
Organize ideas into meaningful categories by recognizing their underlying similarity
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

26. What are the four categories of costs in Juran's framework?
A brainstorming tool that shows the connections between ideas.
Prevention - appraisal - internal failure - external failure.
A scatterplot.
The ratio of outputs to inputs; 1-scrap.

27. What does DMAIC stand for?
Define - measure - analyze - improve - control.
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 number of standard deviations some value is from the mean.
Shows the temporal flow of activities in a project network.

28. What are the four regression assumptions?
Blame.
Look to your customer - not to other firms. "You can always find someone shorter - fatter and balder!"
F_alpha - df(tr) - df (error)
Linearity - normality - homoscedasticity - independence.

29. Simple Regression Analysis (one factor regression model)
To monitor a process when measurement by variables is used.
No -- if it is not the same - it can only be worse!
= y = Beta(0) + Beta(1)X + epsilon y=dependent variable (response) x=independent variable (predictor of y) - epsilon=error component - Beta(not)=intersection. If data include zero - it represents the mean of the distribution of y when - x=0. It does
A tool that shows performance along key dimensions all at once.

30. Define durability.
Mean time to replacement.
Initiated before or at design concept finalization
Look for the assignable cause of non-random variation.
Organize ideas into meaningful categories by recognizing their underlying similarity

31. What is the role of a black belt?
A random variable that summarizes the information from the sample(s).
3.4 (assuming 1.5 sigma shift in the mean)
Failure Modes and Effects Analysis
To manage the Six Sigma project.

32. What happens to control limits on an SPC chart when sample size is increased?
They move closer to the center line.
The manager in charge of a process being improved in a Six Sigma project.
An assertion or conjecture concerning one or more populations
The cycle time required to meet demand.

33. What type of risk is associated with Type II Error?
Lower skill requirements - faster - less chance for error.
Consumer risk.
The primary operating characteristics of a product.
Kaoru Ishikawa.

34. What is Little's Law?
Inventory = throughput x flow time.
The primary operating characteristics of a product.
The gap between what management thinks customers want and what customers really want.
Rapid improvement process.

35. What is FMEA?
System to reduce waste and optimize productivity through maintaining an orderly workplace and using visual cues to achieve more consistent operational results.
consists of plotting the residuals vs. the order of each experiment - If - as in the case of the constant variance a random horizontal band is obtained - the ______________ of the residuals is not rejected. (should be random above a below the line i
Define - measure - analyze - design - verify.
Failure Modes and Effects Analysis

36. In a regression - what does R-square tell you?
Stratify a particular defect type according to logical criteria
Controlling quality at the source.
The amount of variation in the dependent variable that is explained by the variation in the independent variable(s).
Prevention - appraisal - internal failure - external failure.

37. If a Cp shows that a process is not capable - should you calculate Cpk?
Vary two or more variables simultaneously - Multiple measurements are obtained under the same experimental conditions
Stratify a particular defect type according to logical criteria
A simple graph between two variables - visualize the type - degree of strength and shape of the relationship between two variables
No -- if it is not the same - it can only be worse!

38. One factor at a time (OFAT)
Large enough to find two of the attribute - on average.
Observed variation in response is caused by the input
It's good -- but it's still out of control!
1) Obtain Residuals 2) Fill out table --> y coordinates: F = 100 (i-.5)/N x coordinates: Ordered Residual 3) Plot on Normal Probability Paper

39. Manual Test for Nomality
1) Obtain Residuals 2) Fill out table --> y coordinates: F = 100 (i-.5)/N x coordinates: Ordered Residual 3) Plot on Normal Probability Paper
Prevention - appraisal - internal failure - external failure.
A chart that breaks the range of data into equal intervals and then shows the count of occurrences in each interval.
Outside.

40. Define performance quality.
Sort - Set in Order - Shine - Standardize - Sustain
Quality planning - design review - education and training - process control - IS costs - quality reporting - improvement project costs - working with suppliers before production.
It looks to minimize the probability of a failure - or to minimize its effects
The primary operating characteristics of a product.

41. When is Cpk used?
To do a capability study for a non-centered process.
It usually isn't possible to hold all other variables constant - There is no way to account for the effect of joint variation of independent variables - such as interaction - There is no way to account for experimental error - including measurement v
Represent the errors which are random variables with an assumed normal distribution with mean zero and a constant variance σ2.
Lean (or JIT).

42. What does SIPOC stand for?
Financial - customer - internal process - innovation and learning.
Stratify a particular defect type according to logical criteria
Is what induces the failure
Supplier - input - process - output - customer.

43. What is poka yoke?
Prediction and estimation. based on an unknown x value - estimation is based on a known x value
Mistake-proofing.
Consumer risk.
A chart that breaks the range of data into equal intervals and then shows the count of occurrences in each interval.

44. Stratified defect check sheets
A simple graph between two variables - visualize the type - degree of strength and shape of the relationship between two variables
How much variance you expect around the prediction; two SEs gives you a 95% confidence interval.
Stratify a particular defect type according to logical criteria
Yes - when there are opportunities to improve - when contribution margin is adequate - when achieving market share is important.

45. Name the structure associated with Quality Function Deployment.
The House of Quality.
The ratio of outputs to inputs; 1-scrap.
Fewer good units to sell - increased variable cost/unit.
= y = Beta(0) + Beta(1)X + epsilon y=dependent variable (response) x=independent variable (predictor of y) - epsilon=error component - Beta(not)=intersection. If data include zero - it represents the mean of the distribution of y when - x=0. It does

46. Explain the difference between technical and functional service quality.
A tool that shows performance along key dimensions all at once.
Technical quality is the "what" of the service; functional quality is the "how."
Pleasing to the senses.
Prevention - appraisal - internal failure - external failure.

47. Non-random patterns (Run Charts)
Shifts - Trends - Repeating patterns - Correlation with known events
How much variance you expect around the prediction; two SEs gives you a 95% confidence interval.
Controlling quality at the source.
Prevention and appraisal costs are balanced against internal and external failure.

48. Design of Experiments (DOE) approach
Lean (or JIT).
Vary two or more variables simultaneously - Multiple measurements are obtained under the same experimental conditions
An experiment where one or more variables believed to have an effect on an experimental outcome are identified and manipulated according to a plan
Workers - machines - materials.

49. What is the difference between Lean and Six Sigma?
Failure Modes and Effects Analysis
Lean is waste reduction - Six Sigma is variation reduction.
Represents the behavior of a process
1) Plot a Line chart of the data in time sequence 2) Draw a line at the median

50. Regression
The amount of variation in the dependent variable that is explained by the variation in the independent variable(s).
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).
Represents the behavior of a process
Deming.

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

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