Free PeopleCert 18 Exam Practice Questions
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Question No 1
Six Sigma refers to a process whose output has at least 95% of its data points within 6 Standard Deviations from the Mean.
Question No 2
Training cost is $3,000 and a project required an initial investment of $12,000. If the project yields monthly savings of $1,800 beginning after 3 months, what is the payback period in months (before money costs and taxes)?
Question No 3
The ROI for a project is a measurement metric that stands for Return on Investment and is one of the methods used to measure the success of a Lean Six Sigma project.
Question No 4
The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve and Control.
Question No 5
Voice of the Customer is a Lean Six Sigma technique to determine the ___________ attributes of a product or service.
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Total 120 Questions
About This 18 Question Bank
This page has 120 free practice questions for the PeopleCert 18 (IASSC Lean Six Sigma - Yellow Belt) exam, last refreshed on 5th Aug 2026. Answer each question, then reveal the correct choice to check your understanding before deciding whether to unlock the full question bank.
The demo above is a sample of the complete 18 question set. The full bank includes the PDF, downloadable practice test, and online exam-engine formats listed above, with free updates included for the duration you choose.
Frequently Asked Questions
How many free 18 questions can I try here?
This demo includes a sample from our 120-question 18 bank so you can check the format and difficulty before purchasing.
Are these 18 questions updated?
Yes, the PeopleCert 18 question bank is reviewed and refreshed periodically to reflect current exam objectives.
What formats are available for the full 18 question bank?
PDF download, an online practice-test engine, and a combined bundle pack with 3, 6, or 12-month free updates.
Is there a refund if I don't pass?
Yes, purchases include a money-back guarantee — see our refund policy for details.