Exam (elaborations)
INFO 463 - Lean Six Sigma Questions and Answers Fully Solved
- Module
- Institution
INFO 463 - Lean Six Sigma
[Show more]
Seller
Follow
julianah420
Reviews received
Content preview
INFO 463 - Lean Six SigmaThe essential goal of Six Sigma is - answerto eliminate defects and waste, thereby
improving quality and efficiency, by streamlining and improving all business processes.
Six Sigma was first designed for use in - answer1. Manufacturing
2. Practitioners quickly discovered that Six Sigma could be useful and applicable
throughout all aspects of a business - from customer support to management to service
delivery.
What is Six Sigma? - answer1. A Metric - standard deviations in a normal curve
2. A Goal - 3.4 defects per million opportunities
3. A Methodology - DMAIC, a rigorous focused methodology
4. A Management Philosophy
A Metric - answerstandard deviations in a normal curve
A Goal - answer3.4 defects per million opportunities
A Methodology - answerDMAIC, a rigorous focused methodology
What is a Standard Deviation? - answer1. "The standard deviation is the root average
squared deviations of scores from the mean"
2. It is a number that describes how scores in a distribution are spread out from one
another
Standard deviations and defect measurement - answerA defect is any value that falls
outside a customers specifications
Sigma 1 - answerError Free Rate: 30.9%
Defect Rate: 69.1%
Sigma 2 - answerError Free Rate: 69.1%
Defect Rate: 30.9%
Sigma 3 - answerError Free Rate: 93.3%
, Defect Rate: 6.7%
Sigma 4 - answerError Free Rate: 99.38%
Defect Rate: 0.62%
Sigma 5 - answerError Free Rate: 99.977%
Defect Rate: 0.023%
Sigma 6 - answerError Free Rate: 99.9997%
Defect Rate: 0.00034%
Six Sigma has 2 main objectives: - answer1. Center the process to match the target
2. Reduce the variation in the process so the +/- 6 standard variations are between the
upper and lower specification limits
Six Sigma Improvement Methodology - answerDMAIC
1. Define
2. Measure
3. Analyze
4. Improve
5. Control
DMAIC - Define - answerIdentify and state the practical problem
1. Who wants the project and why?
2. What is the scope of the improvement?
3. Who are the key resources for the project?
4. What are the critical milestones?
5. Budget allocation
DMAIC - Measure - answerValidate the practical problem by collecting data
1. Ensure measurement system reliability
---Is tool used to measure output variable flawed?
---Do all operators interpret reading the tool in the same way?
2. Prepare data collection plan
---How many data points are needed?
---How many days to collect data?
---What is the sampling strategy?
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller julianah420. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.72. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82871 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now