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Lean Six Sigma Exam Questions with Solutions
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Exam of 11 pages for the course Lean Six Sigma at Lean Six Sigma (Lean Six Sigma Exam)
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Lean Six Sigma ExamWhat is Lean Six Sigma? - answer- It is the network of activities that support the efforts
to continually improve on all aspects of the organization, in conjunction with standard
accounting practices that demonstrate the impact of continual improvement and
variation reduction on the organizations bottom line.
- It is a structure and disciplined process designed to deliver perfect products and
services on a consistent basis. Aims at improving the bottling line by finding and
eliminating the causes of mistakes and defects in business processes.
Why do we need LSS? - answer- To continuously improve the processes to control
quality and measure the success of such quality and process in order to satisfy the
customer in the least amount of money possible in order to improve the bottom line.
What does DMAIC stand for? - answer Define, Measure, Analyze, Improve, Control
What is a variation? - answer Change in data, function caused by one of four factors
What are the three causes of a variable? - answer Special Causes, Common Causes,
tampering or Structural
Who is Walter Stewart? - answer Creator of the Statistical Quality Control, Brought
together the economical, statistical and engineering disciplines.
Who is W. Edward Deming? - answer Toyota Model and known as the creator of
modern LSS methods. Ford hired him after the 1980's collapse of the US Automotive in
the Market.
DMAIC - What does Define mean? - answer Define the process that is to be improved
The process improvement goals that are consistent with customer demands and
company strategy.
DMAIC - What does Measure mean? - answerDefine the baseline for current process
Where you collect the data using a data collection plan
DMAIC - What does Analyze mean? - answerIdentify gaps between current
performance and goal performance
Root-cause analysis - in order to brainstorm what is the difference between cause and
effects
Identify sources of variation
, DMAIC -What does Improve mean? - answerOptimize the process based upon the
analysis using techniques like Design of Experiments
DMAIC - What does Control mean? - answerSet-up pilot runs to establish process
capability. Transition to production and thereafter continuously measure the process
and institute control mechanisms to ensure that variances ae corrected before they
result in defects
What does DMADV stand for? - answerDefine, Measure, Analyze, Design, Verify
What is a DMADV used for? - answerFocused on customer satisfaction, process is not
established
What is a DMAIC used for? - answerProcess improvement, Process has been created
and is used to identify and eliminate waste
DMADV - What does Define mean? - answerThe end product or services as needed by
the customer
DMADV - What does Measure mean? - answerEstablish the customer's needs and
specification
DMADV - What does Analyze mean? - answerIdentify various options that may meet or
exceed customer needs
DMADV - What does Design mean? - answerCreate the new process to meet customer
needs
DMADV - What does Verify mean? - answerConfirm the new design to ensure that the
process meets customer needs
Define Lean? - answerProducing the max amount of sellable products or services at the
lowest operational cost while optimizing inventory levels.
What are the three concepts of lean? - answerValue, Waste, Process of creating waste
without waste
In lean, define Value? - answerDefined by the customer based on their perception of the
usefulness and necessity of a given product or service.
In lean, define Waste? - answerOver Production and Inventory
In lean, define Process of creating value without waste? - answerTesting a product for
function.
This process may add a bit of time for the customer but it assures the customer is
getting a high quality product
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