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!*

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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

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

2 / 45

What is the definition of a stakeholder?

3 / 45

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

4 / 45

Defining a process:

The most common tool to help define a process is called a _______. It helps team members determine process activities, stakeholders, and boundaries.

5 / 45

Which statement is true about Lean Six Sigma?

6 / 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.

7 / 45

The DMAIC Method.  Which stage does this identify?

Validate the practical problem by collecting data

8 / 45

What is the first phase of Kaizen?

9 / 45

Lean Six Sigma is the primary tool for achieving:

10 / 45

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

11 / 45

A tool used to analyze a process for delays:

12 / 45

Six Sigma reduces costs and waste by determining the:

13 / 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.

14 / 45

Lean Six Sigma uses an improvement method called:

15 / 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.

16 / 45

Problem Solving Strategy: Y=f(x)

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

17 / 45

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

18 / 45

Used to describe customer needs and expectations.

19 / 45

Lean Six Sigma can help the healthcare system with:

20 / 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.

21 / 45

With Lean Six Sigma, using pull philosophy results in:

22 / 45

Which short sentence defines the work Kaizen?

23 / 45

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

24 / 45

Problem Solving Strategy: Y=f(x)

Represents the desired outcome, result, or goal you want to achieve.

25 / 45

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

26 / 45

Six Sigma Processes:

This is the single individual or group with responsibility for the end-to-end process.

27 / 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?

28 / 45

Root cause analysis consists of asking what question five times?

29 / 45

This is used to test whether a sample is drawn from a population that conforms to a specified distribution. One of the most widely used probability distributions in inferential statistics, notably in hypothesis testing and in construction of confidence intervals.

30 / 45

The Toyota Production System (TPS) is:

31 / 45

What does GENCHI GEBUTSU mean?

32 / 45

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

33 / 45

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

34 / 45

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

35 / 45

The DMAIC Method

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

36 / 45

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

37 / 45

Lean production was developed by:

38 / 45

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

39 / 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:

40 / 45

When variation is produced by the system itself it is known as:

41 / 45

This project team member guides the team, provides organizational support, resources, and removes roadblocks.

42 / 45

Which belt-level training should this employee receive:

This employee will have no direct contact with a project. They will not be providing any assistance to the team and have only worked for the organization for 90 days.

43 / 45

The number of defect-free units produced divided by the number of total units going into the process.

44 / 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.

45 / 45

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

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

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