Six Sigma Green Belt

Which lean concept is also known as the heartbeat of the lean organization?

Ultimately, who defines a product's value?

A study is being performed on the effects of video games on boys and girls. The x-axis on the chart represents time playing video games 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 a significant main effect for the gender?

Which tool is used as a form of quality control and is deployed during process baseline estimation to monitor the variables and parameters occurring within a particular process?

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?

A failure mode and effects analysis (FMEA) has identified four issues and their probability of occurrence, severity, and the effectiveness of control measures currently in place to catch the issue. These issues, and the appropriate weighted index values, are presented in the following FMEA Results table.

Which issue should be addressed first?

Which of the following activities would be performed as part of project closure?

Which type of team is best suited for handling issues related to an organization's policies, practices, and operations?

DFSS projects are appropriate for which type of situation?

Which quality pioneer created the Plan-Do-Study-Act (PDSA) problem solving technique?

While reviewing an X-bar control chart, you notice a set of seven consecutively decreasing points. You check previous control charts and notice that this is not a regular occurrence. What could have caused this behavior?

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 quality pioneer is best known for developing engineering methods for robust product design?

Review the chart type in the following exhibit. Which chart type is being presented?

A sample of 50 computer chips is taken from a continuous process. The current defect rate for this process is 5%. What is the probability of finding four defects in the sample using the Poisson distribution?

When evaluating the cost of poor quality (COPQ), what is an example of an internal failure cost?

Which lean concept refers to mistake-proofing a process?

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

Which type of Failure Mode and Effects Analysis (FMEA) is used to study and evaluate manufacturing and assembly?

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

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

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

Where in the house of quality would you find a list of customer needs and desires?

Which chart type is presented in the following exhibit?

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

Which document can be used as a communication tool to demonstrate root causes of problems, outline actions, and identify results?

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

An activity that adds no value for the customer to a process or product describes which lean concept?

Which method of quantifying measurement errors combines repeatability and reproducibility together in the analysis system?

Which customer would influence the company at the operations level?

A bag contains 20 blue poker chips, 35 green poker chips, and 24 red poker chips. What is the probability of pulling out a blue chip, followed by a green chip, followed by a red chip?

Which option best describes an analytical study?

Using the Z test, how is a left one-tailed test denoted?

Which method is used to clean the work environment as part of waste elimination?

What is the correct order of control plan phases as defined by the Advanced Product Quality Planning and Control Plan Reference Manual?

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

Which option is defined as "having an operator make similar measurements close to the same time"?

Where in the house of quality would you find a list of benchmarks or target values?

Which test examines the variance of multiple sample means?

Given the following Data Set table, which measure of central tendency is equal to 2?

Which option describes a paired t test inference test?

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?

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

You are constructing an X-bar control chart for a process that produces lengths of pipe. During sampling, you acquire the following data, as presented in the Control Chart Sample Data table.

What are the UCL and LCL for the X-bar control chart?

Which tool is used to translate general customer requirements into specific requirements?

Which type of control chart is appropriate for attribute data?

What is an example of variable data?

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

Which project documentation tool graphically displays the start date, end date, and duration of project activities?

Semi-finished products are an example of which category of muda?

Which statement describes TPM?

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

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?

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?

Which project management and planning tool is originally known as an arrow diagram and incorporates many practices from the program evaluation and review technique (PERT) and the critical path method (CPM)?

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