chapter 1 Six Sigma Foundation and Principles

Question 1

What is the main purpose of Six Sigma?

Answer 1

To reduce variation in processes to improve quality and efficiency.

Question 2

How does Six Sigma ensure consistent quality?

Answer 2

By minimizing defects and delivering consistent products and services.

Question 3

What is the DMAIC framework in Six Sigma?

Answer 3

Define, Measure, Analyze, Improve, Control.

Question 4

What is the first step in the DMAIC process?

Answer 4

Define the problem or project goals and understand customer requirements.

Question 5

What is the Measure phase in DMAIC?

Answer 5

Collect data on current processes and establish baselines.

Question 6

What is the goal of the Analyze phase in DMAIC?

Answer 6

Investigate data to identify root causes of issues.

Question 7

What happens during the Improve phase of DMAIC?

Answer 7

Develop solutions to address root causes and enhance processes.

Question 8

** What is the purpose of the Control phase in DMAIC?**

Answer 8

** Implement controls to sustain improvements over time.**

Question 9

How has Six Sigma evolved from traditional quality management?

Answer 9

** It builds on earlier practices by introducing rigorous statistical methods and focusing on financial benefits.**

Question 10

** Which key figures influenced the evolution of Six Sigma?**

Answer 10

Deming, Juran, and Ishikawa.

Question 11

What are some benefits of Six Sigma for organizations?

Answer 11

Enhanced customer satisfaction, reduced costs, increased profitability, and a culture of continuous improvement.

Question 12

How does Six Sigma help in reducing costs?

Answer 12

By eliminating waste and defects in processes.

Question 13

What role does Six Sigma play in customer satisfaction?

Answer 13

It ensures higher quality and consistency in products and services.

Question 14

What are some common statistical tools used in Six Sigma?

Answer 14

Pareto charts, cause-and-effect diagrams, control charts, histograms, scatter diagrams, and run charts.

Question 15

What is a SIPOC diagram used for in Six Sigma?

Answer 15

To define the scope of processes, including Suppliers, Inputs, Process, Outputs, and Customers.**

Question 16

** Why are flowcharts important in Six Sigma?**

Answer 16

They help visualize and analyze process steps for better understanding and improvement.

Question 17

What is the 5 Whys technique used for?

Answer 17

** To drill down to the root cause of a problem by asking “Why?” multiple times.**

Question 18

What is a Fishbone (Ishikawa) diagram?

Answer 18

A tool used to categorize potential causes of problems to identify the root cause.

Question 19

What is the key takeaway regarding the reduction of variation in Six Sigma?

Answer 19

** It is central to improving quality and predictability in processes.**

Question 20

What does the structured approach of DMAIC provide?

Answer 20

A clear and systematic framework for process improvement.

Question 21

How does Six Sigma’s historical context contribute to its principles?

Answer 21

It extends and refines earlier quality management principles focusing on optimization and financial benefits.

Question 22

What is the organizational impact of adopting Six Sigma?

Answer 22

Improved quality, reduced costs, increased customer satisfaction, and enhanced profitability.**