Six Sigma Green Belt

Which data analysis tool would you use to prioritize the order in which problems should be addressed?

You are part of a Six Sigma team. You create a scatter diagram of the amount of snowfall against the number of skis sold. A correlation coefficient of 0.9 is calculated. What can be inferred by this result?

After the customers and their needs are identified, what is the next step in collecting Voice of the Customer (VOC) data?

What is the probability of rolling either 1, 3, or 6 on a standard single die?

For which type of information would informal communication, such as rumors, be an appropriate delivery mechanism?

During which step of the Identify, Design, Optimize, and Validate (IDOV) design methodology would a Quality Function Deployment (QFD) be created?

Which statement describes TPM?

A Six Sigma improvement project has reduced the risk associated with a critical portion of a production process. The project team must now focus on the next highest priority risk in the process. How can the next highest priority risk be found?

Ultimately, who defines a product's value?

Using the critical path method (CPM), how can you determine if an activity is on the critical path?

The Theory of Constraints (TOC) uses which three basic measures to evaluate systems?

You have created a Supplier, Input, Process, Output, Customer (SIPOC) diagram for your business system. You notice that the output of your process has changed but there has been no change in the suppliers, inputs, or the process. What information can be derived from this scenario?

When conducting a brainstorming session, one of the participants is continually cutting into and taking over other team members' conversations. What approach is used to fix this particular issue?

Which hypothesis test can be used to detect a difference in three or more population means?

Which of the following is based on the "zero-loss" concept?

What consideration must be made regarding effective process performance metrics?

Which action is taken in the Control step of the Define, Measure, Analyze, Improve, Control (DMAIC) process?

What does the design matrix typically include for a design of experiment (DOE)?

Which tool classifies customer requirements as dissatisfiers, satisfiers, and delighters?

Which test examines the variance of multiple sample means?

Which hazard severity classification from MIL-STD-1629 describes a failure that may cause death?

Under which line item in a control plan would you find information on how measurements are made?

Four police dogs are being evaluated for use on a drug detection team. To test the dogs, 20 packages of drugs are hidden throughout a lot of luggage. The results of the test appear in the Drug Finding Test Results table.

You need to determine whether there is a significant difference between the dogs' ability to find drugs based on this test. You decide to use the chi-squared test. Given a confidence interval of 95%, what is the critical value (X-squared)?

Which option defines the central limit theorem's significance with respect to control charts?

Data about the current process is collected in which step of the Define, Measure, Analyze, Improve, Control (DMAIC) process?

A process is examined and four different types of errors are observed. These errors are classified such that a class I error is more critical than a class IV error. The errors and the number of times they were observed are presented in the following Error Classes - Observed Errors table.

Which measurement scale was used in this scenario?

Which tool can be used to break down a problem into manageable pieces?

What are process level metrics?

When performing a one-way ANOVA, how is the treatment sum of squares calculated?

Under which lean philosophy is throughput increased by removing bottlenecks in a process?

Refer to the exhibit.

This chart was created as part of performing statistical process control (SPC). Which type of variation is identified?

A comparison of engineering specifications to chance causes of variations is done using which Six Sigma tool?

Which of the following is used by a process owner to help track the performance of KIVs and KOVs?

Review the Defect Data table for 100 units. This table contains six lots of items from a production run of 100 items and the number of defects found in each lot.

Given that there are eight opportunities for defects in the process, what is the defects per million opportunities (DPMO) of this process?

In creating a customer satisfaction survey, you want to measure the strength of the respondent's opinion while limiting the number of answer choices available to them. Which question format would be most appropriate?

A furniture store receives mattresses that are defective but considered good. What is the probability of making this type of error called?

Which step of a 5S program includes ensuring that all tools are present and put away in the proper location?

Which option best describes an analytical study?

In statistics, which term refers to "probably true" or "not due to chance" when it comes to research findings?

A study is being performed on the effects of video games on boys and girls. The x-axis on the chart represents time and the y-axis represents hyperactivity. Points are plotted along a line for boys and a separate line is plotted for girls. Which data plot in the following exhibit represents no interaction?

Which option represents the main characteristic indicating a significant interaction on an interaction plot?

When examining a process, which technique is used to minimize variation among similar items?

What is known as "the team stage where the team members start working effectively as a group to complete tasks"?

Your company is building a balanced scorecard. The scope of the card has been defined. A facilitator has gathered information from senior management and an executive workshop has been conducted to draft the measures for the balanced scorecard. What is the next step in the development process?

Which tool can be used to resolve upstream delays that cascade through a system?

Which statement is an example of a goal statement?

A company wishes to reduce muda in their manufacturing process by achieving single-piece-flow. How should their cycle time be modified?

Refer to the exhibit. Which step is identified with an X?

Which tool is used in a Six Sigma process improvement project to identify relevant elements such as process inputs and outputs before work begins?

What is an advantage of manual project management methods versus automatic project management methods?

Review the Process Yield Data table, which shows the yields at each step of a six-step manufacturing process.

What is the total defects per unit (TDPU)?

A regression analysis has been performed on the study for Customer Complaints versus Time for Training. The p-value is calculated to be 0.04. What does this indicate about the Time for Training?

A plan to improve quality is carried out during which step of the Plan-Do-Check-Act (PDCA) cycle?

DFSS projects are appropriate for which type of situation?

What are the five steps in Six Sigma's DMAIC process?

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