Practice Free CLSSGB Certified Lean Six Sigma Green Belt (CLSSGB) Exam Questions Answers With Explanation

Process Capability is a function of which of these?

The higher the sigma level of a process the better the performance.

The essence of Lean is to concentrate effort on removing waste while improving process flow to achieve speed and agility at lower cost.

A Lean Principle that addresses efficiency by the process worker is called ____________________?

Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to chance. This is determined based on the result of the ______________.

For the data shown here a Belt suspects the three grades are supplying the same results. Which statement(s) are true for proper Hypothesis Testing?

An employee of ACME Corporation noticed that every loan application that gets approved is copied four times and is stored in different locations in the company for no apparent reason. This would be an example of __________________.

When looking at a distribution graph, the Mean is defined as the __________.

Which statement(s) are true about the Fitted Line Plot shown here? (Note: There are 2 correct answers).

The X-Y Diagram is a tool used to identify/collate potential X's and assess their relative impact on multiple Y's.

Lean had its origins in the development and practice of the ___________ Production System.

A Belt will occasionally do a quick experiment referred to as an OFAT which stands for ____________________.

The Six Sigma methodology had its origins at __________________ in the late 1980’s when William Smith coined the name for quality related work being done there.

The acronym for the defined approach taken by Lean Six Sigma to solve significant challenges related to a process is which of these?

The Mann-Whitney Test is used to test if the Means for two samples are different.

Lean Enterprise is based on the premise that anywhere work is being done which of these is also occurring?

A 1-Sample t-test is used when you want to compare the Median of one distribution to a target value.

Fractional Factorial designs for an experimental approach are used when ____________ about the multiple metric interaction in a process.

Cost of Poor Quality (COPQ) can be classified as either Tangible (Visible) Costs or Hidden Costs.

A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.

A process can be defined as a repetitive and systematic series of steps or activities where inputs are modified or assembled to achieve a customer desired result.

Which element of waste best describes "the cost of an idle resource"?

Measurement error is defined as the effect of all sources of measurement variability that caused an observed or measured value to deviate from the __________.

The actual experimental response data varied somewhat from what a Belt had predicted them to be. This is the result of which of these?

Inferential Statistics is largely about Significance. There are both Practical and _______________ Significance to consider during an analysis of data in a Lean Six Sigma project.

A Stable process is a process whose output is consistent over time. A primary tool used to analyze Stability would be a ________________.

SPC charts typically have the most recent data point on the right hand side.

When creating a Cause and Effect Diagram the team needs to continually broaden their view as well as drill down until they identify all the potential ______________ impacting their process.

The purpose of a Process Map is to identify the complexity of the process and to record all actions and decision points in the process.

A periodic time frame can be used to arrange for Control Limit and Center Line calculations with good SPC implementation in a process.

The proper functioning of a Visual Factory is dependent upon which of these?

According to the definition of Rolled Throughput Yield which of the following items best describe the purpose of RTY?

SPC on the outputs is more preferred than SPC on the inputs when implementing SPC for your process.

A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.

Bias in Sampling is an error due to lack of independence among random samples or due to systematic sampling procedures.

If a Histogram displays two peaks the distribution would likely be _____________.

Due to excessive pollution, GREEN Solutions Inc. is considering subsidizing public transportation to work for its employees. According to the manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work while they use their personal vehicles for their office commute while the management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. Assuming a Normal Distribution for the commute times by either personal or public transportation, which of these is true?

As a type of measurement error, Linearity describes a change in accuracy through the expected operating range of the measurement instrument.

After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?

After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?

It is a Type II error if we decide to reject the Null Hypothesis when it is actually true.

The use of Kanbans work best with pull systems for determining the timing of which products or services are produced.

As part of a Visual Factory plan Kanban cards are created and utilized to identify areas in need of cleaning and organization.

For the data shown here a Belt suspects the three grades are supplying the same results. Which statement(s) are true for proper Hypothesis Testing?

The Purchase Orders for Glenn Manufacturing Company were being copied by an employee and sent to four different departments yet only one department took an action based on the information in the PO. This is an example of ____________.

What is the Cycle Time, in minutes, for a process having a Throughput of 360 units per hour?

If the data displayed in a Histogram displays two peaks the distribution would likely be _____________.

After reviewing the Capability Analysis shown here select the statement(s) that are untrue.

A process can be defined as a repetitive and systematic series of steps or activities where inputs are modified or assembled to achieve a _______________ result.

Conducting a viable Capability Analysis using Attribute Data one must obtain a fairly large sample set to be statistically sound.

The ____________ is important because it provides an estimate of the probability of an event occurring depending on the Standard Deviation from the Mean.

When looking at a distribution graph, the Mean is defined as the __________.

The Central Limit Theorem helps us understand the ___________ we are taking and is the basis for using sampling to estimate population parameters.

While management of a company must set the stage for all improvement efforts, which of these 5S’s is primarily driven by management?

Which element of waste best describes "the unnecessary movement of materials and/or goods"?