Exam 4: Tools and Techniques for Quality Improvement

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What are the various tools used in lean thinking?

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Lean thinking uses a variety of tools:
1) The 5S's: derived from Japanese terms: seiri (sort), seiton (set in order), seiso (shine), seiketsu (standardize), and shitsuke (sustain).
2) Visual controls
3) Efficient layout and standardized work
4) Pull production
5) Single minute exchange of dies (SMED)
6) Total productive maintenance
7) Source inspection

Briefly describe the DMAIC process in Six Sigma.

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Six Sigma uses a systematic improvement approach known as DMAIC-Define, Measure, Analyze, Improve, and Control.
1) In the Define phase one must describe the problem in operational terms that facilitate further analysis.
2) The Measure phase of the DMAIC process focuses on how to measure the internal processes that impact critical to quality (CTQs) features. It requires an understanding of the causal relationships between process performance and customer value.
3) The Analyze phase of DMAIC focuses on why defects, errors, or excessive variation occur. Statistical thinking and analysis plays a critical role in this phase.
4) In the Improve phase, once the root cause of a problem is understood, the analyst or team needs to generate ideas for removing or resolving the problem and improve the performance measures and CTQs.
5) The Control phase focuses on how to maintain the improvements, which includes putting tools in place to ensure that the key variables remain within the maximum acceptable ranges under the modified process.

The TQ ideal is to make a huge impact by improving a system, and thereby operate in the same "new and improved" manner for years to come.

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_____ is a technique for prioritizing types or sources of problems.

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_____ is the search for best practices that will lead to superior performance.

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Eliminating steps is the lean thinking principle that refers to the issue of errors every time a process is handed from one person or group to another.

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With respect to the terms used in 5S, seiso means _____.

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Typically, the data for scatter diagrams are obtained from cause-and-effect diagrams.

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Six Sigma is an alternate approach to lean production.

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The _____ phase of DMAIC focuses on why defects, errors, or excessive variation occur.

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A simple way of defining lean thinking is "getting more done with less."

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The most important ingredient for continuous improvement is an appropriate organizational culture.

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Competitive benchmarking evaluates processes or business functions against the best companies, regardless of their industry.

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In a Pareto distribution, the characteristics are ordered:

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_____ is a tool for involving all people from all ranks, levels, and functions of the organization for problem solving and improvement.

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If a process is driven by an administrative logic such as cost accounting or functional specialization, it is ripe for reengineering.

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The term _____ refers to approaches that produce exceptional results, are usually innovative in terms of the use of technology or human resources, and are recognized by customers or industry experts.

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Breakthrough improvement is often motivated by:

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A pull production system is also known as _____.

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The DMAIC approach used in Six Sigma is expanded as:

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