Questions
1. Lean Six Sigma is a:
Mindset for solving problems
Method for solving problems
Toolkit for solving problems
All of the above
2. Lean Six Sigma should focus on:
The number of belts trained
The number of teams started
The results generated
The number of meetings attended
3. All business process suffer from:
Delay
Defects
Deviation
All of the above
4. Lean is used to:
Reduce or eliminate delay
Reduce or eliminate non–value-added activities
Reduce or eliminate defects
All of the above
5. Customers expect suppliers to be:
Faster
Better
Cheaper
All of the above
6. The most effective methods for achieving breakthrough improvements in speed, quality, and profitability include:
Common sense
Trial and error
Lean Six Sigma
7. The key tools of Lean are:
5S
Spaghetti diagrams
Value stream mapping
All of the above
8. The key tools of Six Sigma for reducing defects are:
Control Chart
Pareto chart
Fishbone diagram
All of the above
9. The key tools of Six Sigma for reducing variation are:
Control charts
Histograms
Box and whisker charts
All of the above
10. You can double your speed:
By working twice as hard
Without working any harder by reducing delay
By hiring more workers
All of the above
11. You can double your quality:
By increasing inspection of finished goods
Finding and fixing the root causes of defects
Offering incentives for better performance
All of the above
12. The cost of sluggish, error-prone processes in a three sigma company can exceed how much of the total budget:
10%
15%
20%
25%
13. Every company has a hidden:
Service factory
Fix-it factory
Manufacturing plant
All of the above
14. When something goes wrong, you should blame your:
Customers
Employees
Processes
Products
Services
15. Lean Six Sigma is the key method and tool for achieving:
Innovation
Customer intimacy
Operational effectiveness
All of the above
16. Lean Six Sigma only works in:
Manufacturing
Services
Health care
Information technologies
All of the above
17. Lean Six Sigma only works in:
Fortune 500 companies
Midsized companies
Small businesses
All of the above
18. The universal improvement process embodied by Lean Six Sigma is:
DMAIC
DFSS
PDCA
FISH
19. To get faster, you have to focus on your:
Product or service
Customers
Suppliers
Employees
20. Lean's 5% rule says that:
5% of the employees do 50% of the work
5% of the products create 50% of the revenue
Products or services are only worked on 5% of the total time
All of the above
21. To double your speed you only need to reduce your cycle or lead time by:
60 minutes per hour
15 minutes per hour
6 minutes per hour
30 minutes per hour
22. Lean can help your business grow:
50% faster than your industry
2 times faster
3 times faster
23. Lean can help you increase profit margins by:
10%
20%
50%
100%
24. Delays can be caused by:
Time between steps in a process
Waste and rework
Large batch sizes
All of the above
25. Lean Six Sigma:
Takes a long time to learn
Has a "long tail" of tools used infrequently
Requires an intricate knowledge of statistics
All of the above
26. The goal of Lean is to:
Keep workers busy
Prepare for customer demand
Produce at the rate of customer demand
None of the above
27. The most common type of waste in any business is:
Over production
Excess inventory
Waiting
Unnecessary movement
Unnecessary processing
28. The first step in Lean is:
Sort, straighten, shine, standardize, and sustain
Red tagging
Spaghetti diagramming
Value stream mapping
29. The easiest way to understand process flow is:
Value stream map the process
Spaghetti diagram the process
Become the product or service going through the process
None of the above
30. The primary goal of lean is to reduce:
Delay
Waste
Muda
All of the above
31. Six Sigma relies on:
Common sense
Trial and error
Data and analysis
Gut Feel
32. The cost of not using Lean Six Sigma is what percent of total expenses:
5-10%
10-20%
25-40%
33. The first essential graph in the problem solving process is a:
Fishbone Diagram
Pareto chart
Control chart
Bar chart
34. Critical to Quality (CTQ) measures include:
Cycle time
Defects
Variation
Cost
All of the above
35. The 4-50 rule says that:
4% of your processes cause 50% of the mistakes, errors, defects, and variation
4% of your delays consume 50% of the cycle time
50% of your effort produces only 4% of the value
All of the above
36. The 4-50 rule means that you will need to draw a lot of:
Bar Charts
Pareto charts
Fishbone diagrams
Control charts
37. Root Cause analysis asks:
Who?
What?
When?
Where?
How?
Why? Why? Why? Why? Why?
38. The main cause of defects is:
People
Process
Machines
Materials
Measurement
39. Six Sigma can be used in:
Manufacturing
Service delivery
Customer service
Finance
Information systems
All of the above
40. Lean Six Sigma helps plug the leaks in cash flow caused by:
Sales
Customers
Internal processes
All of the above
41. The cause of variation is:
Special
Common
All of the above
42. Before you can evaluate a process's capability, the process must first be:
Repeatable
Stable
Organized
Understood
43. The best tool for analyzing capability and showing variation in measured data is:
Histogram
Control Chart
Scatter Chart
Pareto Chart
44. To determine your process’s capability, you will want to look at:
Cp
Cpk
Pp
Ppk
All of the above
45. If a process is unstable but seemingly capable, you will want to:
Analyze and correct special causes of variation
Analyze and correct common causes of variation
Correct special causes and then reduce common cause variation
Hope for the best
46. If a process is stable but not capable, you will want to:
Analyze and correct special causes of variation
Analyze and correct common causes of variation
Correct special causes and then reduce common cause variation
Hope for the best
47. To define a process flow, use a:
Value stream map
Flow chart
Spaghetti diagram
Any of the above
48. The most overlooked and underused step in the DMAIC process is:
Define
Measure
Analyze
Improve
Control
49. When choosing a control chart, you will want the data to be:
Variable (measured)
Attribute (counted)
Variable or Attribute
None of the above
50. Then, to choose a control chart, you will need to know the:
Sample size
Population
Variation
None of the above
51. The attribute charts most often used are the:
c, np, p, u
XmR, XbarR, and XbarS
52. The variable charts most often used are the:
c, np, p, u
XmR, XbarR, and XbarS
53. A control chart may be unstable if the data violates which of these rules:
A point outside of the UCL or LCL
2 of 3 points above +2 sigma or below -2 sigma
4 of 5 points above +1 sigma or below -1 sigma
8 points in a row above or below the average
6 points trending up or down
All of the above
54. There is more than one kind of control chart because:
The underlying distribution is different
The sample size is different
Sample sizes vary
All of the above
55. Control charts and histograms help:
Measure the process
Monitor performance
Detect shifts in performance
All of the above
56. The root cause of a problem is most often :
At the same place the problem's first noticed
The people involved
Upstream from the point of detection
None of the above
57. The 3-57 Rule says:
Make my day!
Three people out of 57 cause most of the errors.
People only work on the product for three minutes out of every hour.
58. The 4-50 Rule says:
Four steps out of 50 cause most of the waste and rework.
Four percent of the steps cause 50 percent of the waste and rework..
One step out of 25 causes 50 percent of the waste and rework..
59. The key tool for sustaining an improvement (i.e., Control phase of DMAIC) is:
Control Chart
Histogram
Flow Chart
All of the above
60. To maximize the effectiveness of Lean Six Sigma:
Train everyone
Start lots of teams
Use data to laser focus improvement projects
All of the above
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