CLSSGB Certified Lean Six Sigma Green Belt (CLSSGB) Questions and Answers

Lean focuses on the sequence of activities and work required to produce a product or a service. This flow is called a ___________________.

The FMEA is used to analyze potential source of defects in the process of interest and stands for ________________________.

Contingency Tables are used to do which of these? (Note: There are 2 correct answers).

Non-parametric testing is done when which of these are applicable? (Note: There are 3 correct answers).

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

The reason(s) for not marking the customer Specification Limits (SL) on a Control Chart is which of these? (Note: There are 4 correct answers).

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

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

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.

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

The 80:20 rule is associated with which of these tools?

The Alpha level of a test (level of significance) represents the yardstick against which P-values are measured and the Null Hypothesis is rejected if the P-value is which of these?

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

The 80:20 rule is associated with which of these tools?

Voice of the Customer is a Lean Six Sigma technique to determine __________________ attributes of a product or service.

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

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.

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

Training cost $6,500 and a project required an initial investment of $47,500. If the project yields monthly savings of $3,500 beginning after 4 months, what is the payback period in months, before money costs and taxes?

Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).

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.

One of the metrics commonly used in Lean Six Sigma is DPU. This acronym stands for ___________________.

__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.

According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work when they use their personal vehicles for their office commute while 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. For the employees choosing to increase their chances to come on time using personal transportation their variation should be reduced to ___________?

The deviation of the measured value from the actual value is known as _____________.

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

According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work when they use their personal vehicles for their office commute while 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. For the employees choosing to increase their chances to come on time using personal transportation their variation should be reduced to ___________?

A Belt concludes a Lean Six Sigma project with the creation of a Control Plan. At what point can the Control Plan be closed?

Select all the statements that are true after reviewing the Capability Analysis shown here. (Note: There are 4 correct answers).

Skewed, or Mixed, Distributions occur when data comes from several sources that are supposed to be the same yet are not.

A Belt experienced an Alpha of .05 and a Beta of .10 and knew these are the most common risk levels when running a Statistical test.

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

Which of these is Discrete data?

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

To draw inferences about a sample population being studied by modeling patterns of data in a way that accounts for randomness and uncertainty in the observations is known as ____________________.

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

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

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

Nominal Scale data consists of names, labels or categories and cannot be arranged in any mathematical ordering scheme. Complex arithmetic functions cannot be easily applied to Nominal Data:

In order to standardize project savings financial calculation such project benefits can be compared the financial savings are typically calculated over what period of time?

The Alpha level of a test (level of significance) represents the yardstick against which P-values are measured and the Null Hypothesis is rejected if the P-value is which of these?

Which element of waste best describes the cost of a resource being in the queue?

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

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

The deviation of the measured value from the actual value regardless of the operator is known as ______________.

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

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

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

The Accuracy of a Measurement System addresses _________________.

This output is what type of advanced Capability Analysis?

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

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

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

Some of the approaches used in Lean include station warning lights, tool boards and jidohka devices in order that which of these apply?

The following Business Case is constructed properly.

“In business unit A there are too many flashlight returns and flashlight sales have decreased by 25 percent.”

Having an Alpha of .05 and a Beta of .10 are the most common risk levels when running a Statistical test.

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 ____________.