General Flashcards
7 cards from real Lean Six Sigma Yellow Belt Certification practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 General flashcards as text
Which phase of DMAIC focuses on identifying the root cause of defects?
Answer: Analyze
The Analyze phase uses tools like fishbone diagrams and 5 Whys to identify root causes of defects.
What does 'Sigma' measure in a Six Sigma process?
Answer: Process variation or standard deviation
Sigma (σ) is a statistical measure of variation or standard deviation from the mean in a process.
A process operating at 6 Sigma has approximately how many defects per million opportunities (DPMO)?
Answer: 3.4
A Six Sigma process produces only 3.4 defects per million opportunities, representing near-perfect quality.
What is the primary purpose of a Control Chart in Lean Six Sigma?
Answer: To monitor process stability over time
Control charts display process data over time to detect unusual variation and determine if a process is in statistical control.
Which of the following best describes 'Value-Added' activities in a Lean process?
Answer: Activities the customer is willing to pay for
Value-added activities are those that transform inputs in ways customers value and are willing to pay for.
What is the role of a Yellow Belt in a Lean Six Sigma organization?
Answer: Serve as subject matter experts and support Green/Black Belt projects
Yellow Belts provide subject matter expertise and participate in improvement teams led by Green or Black Belts.
Which waste type in Lean refers to producing more than what the customer currently needs?
Answer: Overproduction
Overproduction is considered the worst Lean waste because it creates inventory and hides other problems.