FREE Lean Six Sigma Yellow Belt Certification Prep Questions and Answers
What is the effect of applying Six Sigma?
One of the primary effects of implementing Six Sigma methodology is the reduction of defective products or defects in processes. Six Sigma aims to improve process quality and minimize variations, ultimately leading to fewer defects and errors in products or services.
The fact that the data gathered from this activity is precise and certain is one of the main advantages of your team working together to produce an X-Y Diagram.
One of the primary benefits of a team working together to create an X-Y Diagram (also known as an XY Matrix or a YX Matrix) is not necessarily that the data collected from this exercise is accurate and certain. In fact, the accuracy and certainty of the data collected depend on various factors, including the quality of the data sources, the expertise of the team, and the thoroughness of the analysis.
The process map that is generated after identifying areas for improvement on an existing process map is referred to as:
The process map that is created after identifying improvement opportunities from an existing process map is known as a "To-Be" process map.
A "To-Be" process map represents the desired future state of a process after improvements have been implemented based on the analysis of the current state or "As-Is" process map. It outlines the changes, enhancements, and optimizations that are planned to be made to the process to achieve better efficiency, quality, and effectiveness.
The different Failure Modes are ranked according to how they will affect the results of the relevant process using the RPN, or Risk Priority Number.
The Risk Priority Number (RPN) is a numerical value used to rank and prioritize failure modes based on their potential impact on the output or performance of a subject process or product.
Which of the following is an example of a Design for Six Sigma (DFSS) methodology?
DFSS, or Design for Six Sigma, is a structured approach used to design new products, processes, or services with a focus on achieving high levels of quality, reliability, and customer satisfaction. DMADV is one of the methodologies within the DFSS framework and stands for Define, Measure, Analyze, Design, and Verify.
Which of the following is most likely a CTQ (Critical-to-Quality) when buying a service?
"Timely in delivery," "Documentation is clear," and "Required no redo" are examples of attributes that would likely be considered Critical-to-Quality (CTQ) for the purchase of a service.
Which of the following statements about the Six Sigma approach is accurate?
The statement "It is a methodology based on factual data" is true regarding the Six Sigma method.
Six Sigma is a data-driven methodology that aims to improve the quality and performance of processes, products, and services by identifying and eliminating defects and variability. It is grounded in the collection, analysis, and interpretation of factual data to make informed decisions and drive process improvements.
Choose which tool was not utilized during the analyze phase.
The Solution Design Matrix is not typically used in the Analyze phase of the DMAIC (Define, Measure, Analyze, Improve, Control) problem-solving methodology. The Solution Design Matrix is more commonly associated with the Improve phase.
What are the goals and applications of data visualization?
One of the purposes and uses of data visualization is to allow conclusions to be drawn from graphical data analysis. Data visualization involves the representation of data through visual elements such as charts, graphs, maps, and other visual formats. It aims to make complex data more understandable, accessible, and meaningful by presenting it in a visual form.
What is "Little's" formula for estimating average lead time?
"Little's Law" is a mathematical principle that relates the average number of units in a system, the average production rate, and the average lead time.
Which of the following parties is tasked with contributing to the process?
In a process, suppliers are responsible for providing inputs to the process. Inputs from suppliers can include raw materials, components, information, services, and any other resources needed for the process to function and produce the desired outputs.
Which Six Sigma step involves validating the measurement system and measuring the performance of the current process?
In the Six Sigma methodology, the phase where the current process performance is measured and the measurement system is validated is the "Measure" phase. The "Measure" phase is the second phase in the DMAIC (Define, Measure, Analyze, Improve, Control) problem-solving framework commonly used in Six Sigma projects.
The Y in the equation Y = F(X) is
In the equation Y = F(X), "Y" represents the output or outcome, and "X" represents the input or variable. In Spanish, "salida" translates to "output," so you are accurate in stating that "Y" represents the "salida" or output in this context. The equation represents a functional relationship where the output "Y" is determined by the function "F" acting on the input "X."
The DPMO, which stands for _________________, is a crucial indicator in Six Sigma.
DPMO stands for "Defects Per Million Opportunities." It is a key metric in Six Sigma methodology used to quantify the level of defects or errors in a process relative to the number of opportunities for defects to occur.
A phase input is the baseline process capability:
In the Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control) methodology, the "Analyze" phase involves analyzing the collected data to understand the root causes of the problem and to identify opportunities for improvement. During this phase, the baseline process capability is considered as an input.
Determine the key distinction between DMAIC and DMADV.
Both DMAIC and DMADV are structured problem-solving approaches that are part of the Six Sigma framework. They provide systematic methods to drive improvement and innovation within an organization, with DMAIC targeting process improvement and DMADV targeting design and development of new or improved solutions.