Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification Basic Questions and Answers 2 — Questions and Answers
Question 1: What does the 'Define' phase of DMAIC primarily focus on?
- Identifying the problem and project goals (Correct answer)
- Collecting data on process performance
- Testing potential solutions
- Standardizing the improved process
Correct answer: Identifying the problem and project goals
The Define phase establishes the problem statement, project scope, and goals before any data collection begins.
Question 2: Which of the following is a key principle of Lean methodology?
- Maximizing work-in-progress inventory
- Eliminating waste in all forms (Correct answer)
- Increasing batch sizes for efficiency
- Adding inspection steps at every stage
Correct answer: Eliminating waste in all forms
Lean methodology centers on identifying and eliminating waste (muda) to streamline processes and deliver more value.
Question 3: What does 'sigma' represent in Six Sigma?
- The mean of a data set
- The standard deviation from the mean (Correct answer)
- The total number of defects
- The range between highest and lowest values
Correct answer: The standard deviation from the mean
Sigma (σ) is the Greek letter used in statistics to represent standard deviation, which measures variation from the mean.
Question 4: A fishbone diagram is also known as what?
- Pareto chart
- Ishikawa diagram (Correct answer)
- Control chart
- Scatter plot
Correct answer: Ishikawa diagram
The fishbone diagram, created by Kaoru Ishikawa, organizes potential causes of a problem into categories branching from a central spine.
Question 5: What is the primary purpose of a SIPOC diagram?
- To track defects over time
- To provide a high-level overview of a process (Correct answer)
- To calculate process capability
- To assign team roles and responsibilities
Correct answer: To provide a high-level overview of a process
SIPOC (Suppliers, Inputs, Process, Outputs, Customers) gives a broad view of a process and its key elements before detailed analysis.
Question 6: Which type of waste refers to producing more than what the customer requires?
- Transportation waste
- Overproduction (Correct answer)
- Overprocessing
- Waiting
Correct answer: Overproduction
Overproduction means making more product or delivering more service than the customer demands, tying up resources unnecessarily.
Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification Basic Questions and Answers 2
What does the 'Define' phase of DMAIC primarily focus on?