Six Sigma Green Belt

Your manufacturing process uses a special part. This part is delivered to you from three separate manufacturing plants. Each of the manufacturing plants uses a different process to build this particular part. Which sampling technique would you use to test the part before incorporating it into your manufacturing process?

How is criticality assigned in a failure mode effects and criticality analysis (FMECA)?

You are performing a Six Sigma study for a leading manufacturer of acrylic glass sheets. During the study, you record the thickness of the glass in three places: the top, the middle, and the bottom. Over a full day, you have noticed that the thickness at the top is always 0.1 mm less than the middle, regardless of the machine being used to form the acrylic glass sheet. This accounts for the only variation in the end product. Which type of variation is indicted by the results?

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

Which statement is an example of a goal statement?

Which option refers to a Type I error?

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

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?

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

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)?

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?

Two processes, A and B, have been examined. Both processes are centered and they remain centered within their specifications. The Cp of each process is equal to its Cpk. Process A's capability ratio (Cr) has been calculated as 0.85 while process B's process capability (Cp) is 0.85. Which statement is true about these processes?

DFSS projects are appropriate for which type of situation?

Which method would be used to correct the problem of team members discussing issues unrelated to the purpose of a team meeting?

Which method of quantifying measurement errors is the most accurate?

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

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

You are a Six Sigma green belt. You are performing a study for your company's customer service department on the relationship between the number of days employees are trained and the customer wait time. Which correlation coefficient is depicted in the scatter diagram presented in the following exhibit?

Which tool can be used to analyze risks on a Six Sigma project?

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

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

Which histogram presented in the following exhibit represents a skewed histogram?

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?

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

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

Which lean tool ensures that the condition and state of manufacturing processes are clear and readily accessible?

Which formula would you use to calculate the value of sigma for use in calculating Ppk?

What is an example of variable data?

Which statement is true concerning short-term capability?

A customer has purchased a circular saw and they have been invited to a free workshop on how to use the tool. Which category of expectation does this fall under?

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?

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?

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

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

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

Which method for resolving conflict is the least assertive but the most cooperative?

What is the range for the correlation coefficient r?

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 Six Sigma concept involves creating value for stakeholders by understanding, controlling, and improving overall business processes?

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 test examines the variance of multiple sample means?

Which Six Sigma role has "tutoring black belts and reviewing projects assigned to them" as one of its main purposes?

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

Ultimately, who defines a product's value?

What is the first step in a Kaizen project?

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

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

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

Which is the best description of mutually exclusive events?

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

Which option represents the differences between observed values and the corresponding values predicted by your equation?

An experiment is designed to test the effect of weight on the elasticity of a certain material. In the experiment, weights of various sizes were used. They include 2 grams, 6 grams, 14 grams, and 20 grams. What do these various sizes represent?

When the same functions performed by different machines produce different results, which type of variation can this be attributed to in a multi-vari chart?

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

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

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