Certified Six Sigma Black Belt
Last Update Apr 15, 2026
Total Questions : 285
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Once a company has developed metrics for a balanced scorecard, the metrics are used primarily to
A speaker should use which of the following listening techniques when making a presentation to a group?
Which of the following conditions is a typical organizational roadblock to a Six Sigma program?
Which of the following conditions must be met before a process capability study can be conducted?
Which of the following is an acceptable way to reduce the number of options in a solution selection matrix?
Please refer to the following line balance chart.

Which station is meeting customer demand?
In a one-factor analysis of variance with five treatment groups, the sample sizes are [source text incomplete in the provided prompt]. How many degrees of freedom are there for the error term?
Which of the following Theory of Constraints (TOC) elements is designed to decrease inventory or investment?
Which design for X involves the team recognizing that limitations may exist with respect to creation of a product?
The financial perspective of a balanced scorecard provides stakeholders with an
In a process improvement project, a Six Sigma Black Belt measures discrete data including error counts in the final product. This discrete data can also be referred to as
Which of the following factors should be considered while prioritizing Six Sigma projects?
Which of the following tools is used to improve product development, order-processing, and production activities on an ongoing basis?
A team should use a prioritization matrix in order to respond effectively to which of the following situations?
What methodology focuses on improving customer satisfaction by decreasing defects, variation, cycle time, and waste?
Based on the normal distribution shown, approximately what percentage of the data fall within one standard deviation of the mean?
The following control chart was developed by a continuous improvement team.

The process in this chart shows a pattern known as
Which of the following factors provides the most significant trade-off during tolerance design?
Which of the following is the primary benefit of single-minute exchange of dies (SMED)?
In a project status meeting, a senior engineer suggests a change to a customer service process. Even though several team members know the change will alienate one of their major clients, members rush to identify potential benefits of this new change. This response is known as which of the following?
During which of the following phases of DSIADV would a Black Belt start developing a process map?
A cause that contributes to excessive variation and is detectable using a control chart is referred to as
The primary component for the success of a Lean Six Sigma effort is based on the
A company has two facilities that ship the same product. The following table shows the number of defectives and the total volume for the facilities, per month.

There is one opportunity per unit. What is the PPM for Facility X for March?
During the design stage of a product or service, functional requirements are developed in order to
If a Six Sigma Black Belt estimates that investing $200,000 in a project will result in a savings of $700,000, what is the project’s return on investment (ROI)?
A stable, normally distributed process has a mean of 503 and a standard deviation of 4. If the specification is 500 ± 10, with a target of 500, what is the Cpm value?
Rank in order, from first to last, the sequence of steps a team should take to build a house of quality.
Develop a relationship matrix
Identify the technical requirements
Capture the voice of the customer
Determine the target values
Which of the following tools is a project management technique designed to determine communication protocols and level of involvement for key personnel when decisions are being made?
A factory worker collected the performance data of a product over the period of one week. A normal probability plot of the data confirmed that the collected data is not normal. The factory worker intends to transform the data to produce a second variable that is normally distributed. Which of the following transformations should be used?
Which of the following terms is used to describe a chain of tasks that delivers value in the form of products, services, support, or information to customers?
Which of the following activities will provide the most complete voice of the customer?
Which of the following symbols is used to denote a sample standard deviation?
When measurements are made by reference to a graduated scale, the resulting data are referred to as
Which of the following methods can be used as part of product design to prevent component parts from being assembled incorrectly?
When a team is performing an analysis of variance (ANOVA), which of the following conditions would indicate the need to transform the data?
Which of the following criteria should be used to select rational subgroups for control chart sampling?
Who is responsible for sustaining a Six Sigma project's benefits once the project is completed?
A company’s final assembly area is often in confusion and disorder because containers of subassemblies are sent directly to final assembly as they are completed in other production areas. Which of the following methods is designed to address this type of problem?
In a Lean Six Sigma environment, the concept of lessons learned is used to
Which of the following elements should be included with the documentation for a process failure mode and effects analysis (PFMEA)?
A team has calculated the following invoice processing time for accounting personnel. What is the employee’s takt time?
Time in the workday: 8 hours
Time for meetings and breaks: 1 hour
Total work time per invoice: 5 minutes
Invoices required: 60 per day
Which of the following equations is used to calculate process capability for attribute data?
The engineering specification for a new circular part is 25 mm ± 1 mm. The distribution of part measurements is assumed to be normal, with 99.73% of the parts meeting the specification. For a sample size of 36, what process control limits should be used for the sample means?
Which of the following levels of the work breakdown structure (WBS) includes an explanation of the purpose of the project?
Rank in order, from first to last, the steps a quality improvement team should take when conducting a benchmarking study.
Identify the areas to be improved
Flowchart current process
Investigate how others are doing
Initiate new process
Develop plans for application
Which of the following groups needs to be identified in order for a project to be successful?
Which of the following examples represents an effective problem statement for a project team?
The following interaction plot was developed for a process.

Which factor setting would result in the response being least sensitive to changes in Factor A?
A bottle-filling operation is required to fill glass bottles with 16–17 ounces per fill. Fill levels are normally distributed. When a customer requested a process capability study, the company sampled 4 bottles every half hour over five 8-hour shifts. The mean fill level for this sample was X̄ = 16.4 and the fill range was 15.9–16.8 with R̄ = 0.6. What is the short-term process capability index for this process?
Which of the following sources of information is useful in facilitating interactions on a project team?
Which of the following tools should be used to convert a broad goal into increasingly detailed levels?
In order to appropriately measure the capability and performance of a process, that process must be
Design of experiments (DOE) trials that are made under identical conditions represent which of the following concepts?
Which of the following control charts should a manufacturer use to measure the number of products rejected due to nonconformance?
In the Theory of Constraints, the performance of a series of interconnected processes is driven by the performance of the
Which of the following training delivery methods focuses on a critical incident and how to respond to a specific event, situation, or condition?
Which of the following statements is the purpose of a well-written problem statement?
A company is reviewing four processes for improvement, and each process has a unique characteristic.
Process A impacts other schedules or requirements.
Process B improvements will not disrupt delivery.
Process C is related to the organization’s strategic plan.
Process D is used in various areas of the organization.
Which of these processes should take priority over the others?
A Black Belt tells a project team, “For our control charts, we need samples that are as homogeneous as possible and that allow the maximum opportunity for variation between them.” The Black Belt is describing
What type of team is encouraged to make its own decisions, establish its recognition system, and recruit its members?
Which of the following is an example of an effective goal statement in a project charter?
A process improvement team needs to determine whether there is a sufficient cost-benefit to warrant continuing a machine rebuild effort. Which of the following tools should the team use to make this decision?
What is the availability of a machine that has 650 hours of downtime due to adjustments and equipment failures over a period of 4,272 hours?
The following ANOVA table was developed for two factors, using a model that has no interaction term.

What is the value of the F statistic that should be used to determine whether Factor Y is statistically significant?
A Six Sigma team conducted a study of a process and found that the expected chemical reaction failed to initiate on an average of 1 batch per day. If the number of failures historically follows a Poisson distribution, what is the probability of exactly 3 batches failing to initiate on a single day?
What tool is used to identify relationships that exist between groups of data?