Six Sigma Yellow Belt
TestPrep Academy
Exam: SSYB
Question: 1 / 55
90:00
A pizza company has noticed that the new pizza oven that was recently installed is burning their pizza. Which technique can be used to determine the cause of this issue?
A. 5S
B. Forming
C. 5 Whys
D. QFD
Consider the following list of values.
5, 7, 3, 7, 9, 11, 8, 7, 6, 3
What is the mean of these values?
A. 7
B. 5.64
C. 8
D. 6.6
Examine the following list of values.
6, 4, 3, 4, 5, 7, 8, 4, 6, 3
What is the median of these values?
A. 5
B. 1.61
C. 2.6
D. 4.5
Which description best describes the executive sponsor's responsibilities on a six sigma team?
A. Ensure that the organization is providing necessary resources to the six sigma project
B. Responsible for the strategic direction of projects
C. Assist project leaders to complete improvement projects
D. Coordinate process improvement activities and monitor progress on a regular basis
Which characteristic would you most likely expect in the performing team stage?
A. Team members have their roles formalized.
B. Team members are losing interest in the project.
C. Team members have the least amount of friction between them.
D. Team members have the most amount friction between them.
Three separate factories manufacture the same product and ship it to a warehouse for storage. A sampling technique for the product must be selected for a quality improvement initiative. Which sampling technique would be the most appropriate in this situation?
A. Likert sampling
B. Random sampling
C. Sequential sampling
D. Stratified sampling
The probability of a statistical test rejecting the null hypothesis when it is false is known as:
A. power
B. p-value
C. Beta risk
D. Critical value
Which formula enables you to make predictions about what you are going to get out of a process with x and y factors?
A. Binomial
B. F-test
C. Simple linear regression
D. Bias
During which step of the DMAIC process would the root causes of defects be identified?
A. Measure
B. Analyze
C. Define
D. Improve
A gage that measures width has a normal operating range between 0 mm (0 inches) and 100 mm (3.937 inches). It is found that the measurements made on smaller reference objects are more accurate than those made on larger reference objects. Which measurement system analysis term best identifies what is being evaluated in this scenario?
A. Bias
B. Reproducibility
C. Linearity
D. Repeatability
Which document contains the problem statement?
A. Project charter
B. Communication plan
C. Perceptual map
D. Business case
In which step of the plan-do-check-act (PDCA) cycle would documenting results belong?
A. Do
B. Plan
C. Act
D. Check
A random sample of 20 widgets is selected from the production line. The defective rate for items from this line has been known to be approximately 10%. Assuming the population is large, what is the probability of exactly two defective widgets?
A. 12.49%
B. 31.69%
C. 25.18%
D. 28.52%
Which of the following aids organizations in maintaining a strong document control policy?
A. Keeping documentation simple
B. Ensuring that documentation is brief
C. Having a revision control system in place
D. Keep documentation nearby
Which statement best describes the range method for analyzing repeatability and reproducibility?
A. Quantifies variability of the interactions between appraisers and the parts
B. Only analyzes repeatability and reproducibility combined as a single form of variance
C. The most accurate method for measuring repeatability and reproducibility
D. Separates variation due to repeatability, reproducibility, and part variation into distinct quantities
Which statement describes common cause variation?
A. Common cause variation is another name for assignable variation.
B. Common cause variation in a control chart resembles a shift in the data
C. Common cause variation in a control chart resembles a spike
D. Common cause variations do not typically fall outside control limits
Examine the following list of values.
11, 12, 10, 12, 13, 10, 14, 10, 11, 9
What is the range of these values?
A. 11
B. 5
C. 10
D. 11.2
Which statement describes predicting outcomes using regression analysis?
A. By comparing a population's average to a specified value
B. By comparing the measurements made by a gauge to a given set of known reference values
C. By modeling natural and manmade systems through the application of a normal distribution against a data set
D. By modeling a least squares line through the application of a linear equation against a data set
Which lean technique is used to eliminate waste?
A. Force field analysis
B. 5S
C. Regression analysis
D. PDCA
Examine the diagram in the exhibit.
The exhibit presents an example of which type of diagram?
A. Cause and effect diagram
B. Pareto diagram
C. Scatter diagram
D. Run chart
A week long initiative has completed in which several additional staff were added to help with the office redesign project, which ended up saving 1,600 square feet (approximately 149 square meters). Which type of strategy does this describe?
A. CoQ
B. Kaizen blitz
C. Inspection
D. Level loading
Which statement best defines cycle time?
A. The amount of time available for producing products divided by the customer's demand for the products
B. The amount of time required to complete a single transaction of a process
C. The amount of time product must wait for the next step in the process
D. The amount of wasted time in a process
Which statement describes special cause variation?
A. Special cause variation is caused by something built into the system
B. Special cause variation often accounts for a process going out of control
C. Special cause variation is the reason that a product becomes defective
D. Special cause variation can be due to wear and tear on machines
Which statement best describes a binomial distribution as part of data analysis?
A. It is used when you have occurrences events that are independent and occur at a constant rate
B. It is mainly used to compare different distributions to see if they differ from one another
C. It helps determine the probability of a number of successes over a given number of trials
D. It is used to describe continuous data in the shape of a bell-shaped curve
Which control plan identified by the automotive industry is used during the second phase of the three control plan phases?
A. Gantt
B. Pre-launch
C. Prototype
D. Production
Which statement describes one of the differences between kaizen and kaizen blitz?
A. Kaizen is temporary and typically completed in a short period of time
B. Kaizen often results in a rapid work environment change due to additional team members being added
C. Kaizen blitz is ongoing and typically completed over a long period of time
D. Kaizen blitz is temporary and typically completed in a short period of time
Which of the following is a project document that provides the methods to convey information to project team members?
A. Project charter
B. Communication plan
C. Stakeholder matrix
D. Milestone chart
Which widely used repeatability and reproducibility method is the most accurate?
A. Analysis of variance method
B. Range method
C. Average and range method
D. Bias method
Examine the diagram in the exhibit.
The exhibit presents an example of which type of diagram?
A. Scatter diagram
B. Run chart
C. Pareto diagram
D. Cause and effect diagram
Which quantitative data sample is an example of discrete data?
A. 20 degree Celsius (68 degrees Fahrenheit)
B. 3 defects per item produced
C. 100 millimeters (3.94 inches)
D. 2 Kilometers (1.24 Miles)
Examine the diagram in the exhibit.
Which type of distribution is represented in the exhibit?
A. Positively skewed distribution
B. Negatively skewed distribution
C. Normal distribution
D. Bimodal distribution
Which comparison analysis should be performed to help provide information that will be important in deciding whether a project should be approved?
A. Cost-benefit analysis
B. Flow chart
C. ROI
D. Scatter diagram
During which step of the PDCA cycle are implemented changes tested?
A. Act
B. Do
C. Plan
D. Check
Which statement describes one of the differences between kaizen and kaizen blitz?
A. Kaizen often results in a rapid work environment change due to additional team members being added
B. Kaizen blitz is ongoing and typically completed over a long period of time
C. Kaizen blitz is temporary and typically completed in a short period of time
D. Kaizen is temporary and typically completed in a short period of time
Which measurement system analysis term represents the reliability of the gage system?
A. Linearity
B. Repeatability
C. Bias
D. Reproducibility
You are performing a risk assessment for a component and have rated the probability of failure as 4, the severity if the failure occurs as 7, and the effectiveness of your current controls as 2.
What is the Risk Priority Number (RPN) for this component?
A. 28
B. 8
C. 56
D. 14
At which point in time is a cost-benefit analysis performed?
A. After a project has been officially given the go-ahead
B. After the implementation of project plans
C. Prior to the implementation of project plans
D. Upon project completion to ensure all data is accurate
Examine the diagram in the exhibit.
The exhibit presents an example of which type of diagram?
A. Cause and effect diagram
B. Histogram
C. Flowchart
D. Check Sheet
You are performing a risk assessment for a component and have rated the probability of failure as 4, the severity if the failure occurs as 7, and the effectiveness of your current controls as 2.
What is the Risk Priority Number (RPN) for this component?
A. 56
B. 8
C. 14
D. 28
Examine the Value Stream Mapping Icon learning aid.
Which portion of a value stream would be represented by the icon shown in the learning aid?
A. Operator
B. Pushed work
C. Supplier
D. Inventory
Examine the following list of values.
5, 4, 3, 4, 5, 6, 7, 3, 6, 5
What is the mode of these values?
A. 1.56
B. 4.8
C. 5
D. 4
Which statement describes special cause variation?
A. Special cause variation is the reason that a product becomes defective
B. Special cause variation often accounts for a process going out of control
C. Special cause variation is caused by something built into the system
D. Special cause variation can be due to wear and tear on machines
Which formula represents the power for a hypothesis test?
A. 1 - Beta
B. FTY sub 1 * FTY sub 2 * FTY sub 3...* FTY sub n
C. a + (bx)
D. P(A) + P(B)
Examine the diagram in the exhibit.
The exhibit presents an example of which type of diagram?
A. Cause and effect diagram
B. Run chart
C. Pareto diagram
D. Scatter diagram
During which stage of team evolution would cohesion between team members first be established?
A. Norming
B. Forming
C. Storming
D. Performing
During which step of the PDCA cycle are changes proposed and problems defined?
A. Plan
B. Act
C. Do
D. Check
During which stage of team evolution would roles be formalized and team member responsibilities clarified?
A. Norming
B. Performing
C. Storming
D. Forming
A dragstrip for racing is 402 meters (1320 feet) long from the start to finish line. The odometer in a test car reports the distance traveled between the start and finish line as 395 meters (1296 feet). Which term best describes the type of issue?
A. Accuracy
B. Sensitivity
C. Bias
D. Precision
When mapping a process using a flowchart, which symbol would be used to indicate a decision?
A. Diamond
B. Ellipse
C. Arrow
D. Rectangle
Which description best describes the executive sponsor's responsibilities on a six sigma team?
A. Coordinate process improvement activities and monitor progress on a regular basis
B. Assist project leaders to complete improvement projects
C. Responsible for the strategic direction of projects
D. Ensure that the organization is providing necessary resources to the six sigma project
Which comparison analysis should be performed to help provide information that will be important in deciding whether a project should be approved?
A. Scatter diagram
B. ROI
C. Flow chart
D. Cost-benefit analysis
If you toss a fair coin 200 times, what is the standard deviation of the average number of tails expected?
A. .50
B. 7.07
C. 50
D. 15.25
Which statement describes one of the benefits of a control plan?
A. Provides a structure for monitoring process improvements
B. Designed to assist in performing a root cause analysis
C. Used to display trends between a dependent variable and an independent variable
D. Displays the total cost of production according to the defined quality standards
In which data collection technique would you most likely use a Likert scale?
A. Focus groups
B. Surveys
C. Interviews
D. Observations
Rejecting a null hypothesis that is actually correct is known as:
A. Capability index
B. Type I errors
C. ANOVA
D. Beta risk
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