IASSC Lean Six Sigma Green Belt Exam Voucher
An official IASSC LEAN-SIX-SIGMA-GREEN-BELT exam voucher for one attempt at the real certification exam, emailed within 3–5 business days. Includes our full LEAN-SIX-SIGMA-GREEN-BELT practice exam at no extra cost — unlocked the moment you pay, with timed Exam mode, Practice mode and unlimited retakes.
What's included
Official LEAN-SIX-SIGMA-GREEN-BELT exam voucher
One attempt at the real IASSC certification exam. Emailed within 3–5 business days.
LEAN-SIX-SIGMA-GREEN-BELT Practice Exam FREE
195-question pool, 65 per attempt, timed Exam mode + Practice mode, unlimited retakes. See the practice exam
How it works
- 1Buy the voucher
Pay securely online and get a tax invoice straight away.
- 2Practise today
Your practice exam unlocks instantly — find your weak domains early.
- 3Book your exam
Redeem the emailed code with the vendor and pick your exam date.
About the LEAN-SIX-SIGMA-GREEN-BELT exam
Exam domains
Every attempt draws questions in these official proportions. Open a domain to see the subtopics it covers.
Define Phase20%
- The basics of Six Sigma, including Y = f(x), voice of the customer and roles
- The fundamentals of Six Sigma: CTQs, cost of poor quality, Pareto analysis and metrics
- Selecting Lean Six Sigma projects: business case, project charter and project metrics
- Financial evaluation and benefits capture
- The Lean enterprise: the seven elements of waste and 5S
Measure Phase20%
- Process definition: fishbone diagrams, process mapping, SIPOC and value stream maps
- X-Y diagrams and Failure Modes and Effects Analysis (FMEA)
- Six Sigma statistics: descriptive statistics, normality and graphical analysis
- Measurement System Analysis, including Gage R&R and attribute MSA
- Process capability and the concept of stability
Analyze Phase20%
- Patterns of variation: multi-vari analysis and classes of distributions
- Inferential statistics: sampling techniques and the central limit theorem
- Hypothesis testing concepts: practical vs statistical significance, alpha and beta risk
- Hypothesis testing with normal data: 1 and 2 sample t-tests, variance tests, one-way ANOVA
- Hypothesis testing with non-normal data: Mann-Whitney, Kruskal-Wallis, Mood's median
- Proportion tests and Chi-squared contingency tables
Improve Phase20%
- Simple linear regression: correlation and regression equations
- Residuals analysis
- Multiple linear and non-linear regression analysis
- Confidence and prediction intervals
- Data transformation using Box-Cox
Control Phase20%
- Lean controls: control methods for 5S, Kanban and Poka-Yoke (mistake proofing)
- Statistical Process Control (SPC) and data collection for SPC
- Control charts: I-MR, Xbar-R, Xbar-S, U, P, NP, CuSum and EWMA
- Six Sigma control plans: cost benefit analysis, control plan and response plan
Voucher questions
Is this an official exam voucher?
Yes. It is a genuine code issued by the certification vendor, redeemed on the vendor’s own registration site or testing partner (for example Pearson VUE).
When do I receive the voucher code?
By email within 3–5 business days of payment. Your practice exam unlocks immediately in your dashboard, so you can start preparing straight away.
Is the practice exam really included?
Yes — the full practice exam for this certification (normally US$20.00) is added to your account automatically. No separate purchase needed.
How long is the voucher valid?
Validity is set by the vendor and is usually 12 months from issue. The expiry date is shown with your voucher; book your exam before it.
Can I get a refund?
Before the code is delivered, contact us and we will cancel and refund it. Once delivered, the voucher portion is non-refundable because we have already paid the vendor. See our Refund Policy.
Only need practice? LEAN-SIX-SIGMA-GREEN-BELT Practice Exam · US$20.00 · Refund Policy · Contact support