Titration Flashcards
What is a sigma in the context of business and management?
A sigma refers to a measure of variation or quality in a process, often used in Six Sigma methodology.
True or False: Sigma is only relevant in manufacturing industries.
False
Fill in the blank: The term ‘Six Sigma’ indicates a goal of reducing defects to fewer than _____ per million opportunities.
3.4
What does the Greek letter sigma (σ) symbolize in statistics?
Standard deviation
Which methodology uses sigma as a key concept for process improvement?
Six Sigma
What are the two main types of sigma in Six Sigma?
Process sigma and overall sigma
What is the primary goal of Six Sigma?
To improve process quality by identifying and removing causes of defects.
Multiple Choice: What level of sigma represents a process that is 99.99966% defect-free?
Six Sigma
True or False: Higher sigma levels indicate lower variability in a process.
True
Fill in the blank: In Six Sigma, DMAIC stands for Define, Measure, Analyze, _____, Control.
Improve
What is a common tool used in Six Sigma for identifying process problems?
Fishbone diagram
What does a sigma level of 3 signify in terms of defects?
Approximately 66,807 defects per million opportunities.
Short Answer: Name one benefit of achieving a higher sigma level.
Improved customer satisfaction
Multiple Choice: Which of the following is NOT a phase of DMAIC?
Design
True or False: Sigma levels can only be calculated for manufacturing processes.
False
Fill in the blank: The statistical term _____ is often used interchangeably with sigma in quality control.
Standard deviation
What is the significance of a ‘sigma score’?
It quantifies the capability of a process to produce defect-free products.
What does it mean if a process is operating at 1.5 sigma?
It has a high rate of defects and variability.
Multiple Choice: Which of the following is a key principle of Six Sigma?
Data-driven decision making
True or False: Sigma can be used to measure both qualitative and quantitative data.
True
What role does customer feedback play in the Six Sigma process?
It helps identify areas for improvement.
Fill in the blank: Six Sigma aims to reduce process _____ and improve quality.
Variation
What is the primary focus of the ‘Measure’ phase in DMAIC?
To assess current process performance.
Multiple Choice: Which tool is commonly used for process mapping in Six Sigma?
SIPOC diagram
True or False: Sigma levels are static and do not change over time.
False
What does the term ‘defect’ mean in Six Sigma terminology?
Any instance where a product or service fails to meet quality standards.
Fill in the blank: A process operating at _____ sigma level is considered to be world-class.
Six
What is the role of a ‘Black Belt’ in Six Sigma?
To lead and mentor Six Sigma projects.
Multiple Choice: Which of these is a common statistical tool used in Six Sigma?
Control charts
True or False: The ultimate goal of Six Sigma is to achieve zero defects.
True
What is a key strategy for sustaining improvements made in a Six Sigma project?
Regular monitoring and control of processes.
Fill in the blank: The _____ phase in DMAIC focuses on implementing solutions.
Improve
Short Answer: What is a common output of the Analyze phase in DMAIC?
Root cause analysis