Lean Six Sigma Green Belt Practice Test

This is the free Lean Six Sigma Green Belt practice test developed by the Management and Strategy Institute.  It is designed to test your fundamental understanding of Lean Six Sigma methods needed to operate at the Green Belt level.

This quiz consists of 45 questions, randomly pulled from a large bank of questions.  To pass, you must score a 70% or higher.  You may re-take the test as many times as you’d like.  The test is timed and you have 45 minutes to complete it.

Enter your name and email address when you start the exam and a professional digital certificate will be emailed to you if you pass!*

Six Sigma Green Belt Certification

Once you’ve completed this practice test, register for the Six Sigma Green Belt certification here.  In includes the online training material and the MSI certification exam!

Six Sigma Green Belt Certification

Lean Six Sigma Green Belt Quiz

This quiz is designed to test your general knowledge of Lean Six Sigma at the Green Belt level.

If you score 70% or higher, we’ll email you a professional certificate!  Name is required, email address is optional.  You’ll only receive the certificate if you include your email.

1 / 45

What is the final step of DMAIC method?

2 / 45

Problem Solving Strategy: Y=f(x)

Represents the function or process applied to the variables, by which they are modified, changed, or altered.

3 / 45

____________ is a comparison and cross-referenced review of similar processes within associated businesses.

4 / 45

Planning all the intermediate and final deliverables that you and your team will produce over the course of the project. Deliverables include everything that you and your team produce for the project. It is recorded in the project charter. This is called:

5 / 45

CTC, Critical to Cost
CTS, Critical to Safety
CTP, Critical to Process

These measures all fall under what characteristic?

6 / 45

The quality plan specifies the control limits of a process; the size of the range between those limits is the:

7 / 45

What does GENCHI GEBUTSU mean?

8 / 45

_____________ is a concept in quality that means mistake-proofing. It can be electrical, mechanical, procedural, visual, human or any other form that prevents incorrect execution of a process step. It helps people and processes work right the first time.

9 / 45

What is the best metric for measuring the success of a Six Sigma project?

10 / 45

With Lean Six Sigma, using pull philosophy results in:

11 / 45

What is the definition of a stakeholder?

12 / 45

What is the first phase of Kaizen?

13 / 45

Sometimes improvement projects fail. It’s often because they are too focused on:

14 / 45

This analysis is looking at how much your quality activities will cost, versus how much you will gain from doing them.

15 / 45

Defines the scope of the project and breaks the work down into components that can be scheduled, estimated, and easily monitored and controlled. You subdivide a complicated task into smaller tasks, until you reach a level that cannot be further subdivided.

16 / 45

_______ is the variation in the operation of a process not caused by the end customer. It is the Irregular, Inconsistent, Uneven, and Unbalanced work on machines.

17 / 45

Six Sigma designates clear roles for people within the project, using ________ to define each role and its contribution level to the project.

18 / 45

________ is a term used to denote variance from the mean average of an event.

19 / 45

The Toyota Production System (TPS) is:

20 / 45

The sum of internal and external failures. It is measured differently depending on the industry.

21 / 45

A common mistake is trying to improve a process by adjusting it when it does not need adjustment. The term for this mistake is called:

22 / 45

Used to describe customer needs and expectations.

23 / 45

The total cost when you add up the cost of all the prevention and inspection activities you are going to do on your project.

24 / 45

Shows the “value stream” of a process and allows project teams to visualize processes.

25 / 45

Which short sentence defines the work Kaizen?

26 / 45

The DMAIC Method.  Which stage does this identify?

Identify and state the practical problem.

27 / 45

The DMAIC Method.  Which stage does this identify?

Validate the practical problem by collecting data

28 / 45

Which employees should be trained when an organization initiates a Six Sigma improvement policy?

29 / 45

Which statement is true about Lean Six Sigma?

30 / 45

  • Define the problem statement
  • Define the project scope and reference data
  • Identify and confirm the project stakeholders, team members, and timeline for the project

These are all part of what document?

31 / 45

Six Sigma is all about finding those few significant changes that can impact outcomes of production.  ___________ help you determine if a factor is trivial or significant.

32 / 45

Failure Modes & Effects Analysis (FMEA):

The value assigned to the severity and occurrence of each potential failure on scale of 1 to 10 or low to high.

33 / 45

Six Sigma requires _________ across the business and its leadership for the project to make changes based upon measurements.

34 / 45

These Six Sigma project members participate as subject-matter experts (SMEs) in their area of work.

35 / 45

Sigma levels determine the rate of defects and are a standardized measure of the error rate of a process. The level is based on this estimate:

36 / 45

Lean Six Sigma can be used in which industries?

37 / 45

____________ uses a system of signal cards that is simple, yet shows someone that something in a process needs attention.

38 / 45

A cyclic process for planning and testing improvement activities prior to full-scale implementation.

39 / 45

At the Six Sigma level, a business process produces only 3.4 defects per million opportunities. How many errors are produced at the Five Sigma level?

40 / 45

Which of the following actions is not so typical for the lean process?

41 / 45

Lean production was developed by:

42 / 45

A tool used to analyze a process for delays:

43 / 45

The DMAIC Method.  Which stage does this identify?

Confirm and test the Statistical solution

44 / 45

The DMAIC Method

This stage is where the starting point metrics are recorded to baseline the current performance level.

45 / 45

Six sigma equates to:

Your score is

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About this Lean Six Sigma Green Belt practice test

Welcome to MSI’s Lean Six Sigma Green Belt practice exam.  This exam is provided for free as a courtesy to anyone interested in learning more about LSS and the Green Belt role.  You may re-take this exam as many times as you’d like.  It is designed to test your understanding of Lean and Six Sigma methods.

If you pass MSI’s practice exam for Lean Green Belts with a score of 70% or higher, you’ll be emailed a professional certificate of completion that shows your score.  You can also share the results on your social media pages!  Just click on SHARE when you complete the exam.

Difficulty rating: 6/10 (Medium)

This practice exam is rated at a Medium difficulty level.  The exam include Lean Six Sigma methods that should be understood by practicing Green Belts.  All of these methodologies are critical to the successful implementation of a Six Sigma project.  This test is limited to 45 minutes (1 minute per-question).  This difficulty rating considers both novice and experienced six sigma practitioners.

Recommended test preparation material

MSI Lean Six Sigma Green Belt program

MSI Green Belt Core Concepts Guide

The Certified Six Sigma Green Belt Handbook, ISBN-13: 978-0873898911

Six Sigma Green Belt Study Guide, ISBN-13: 978-1516718726

Lean Six Sigma – Green Belt Handbook, ISBN-13 ‏ : ‎ 978-1521901915

Other Practice Tests:

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