Six Sigma Yellow Belt
TestPrep Academy
Exam: SSYB
Question: 1 / 55
90:00
In the context of relationships between two variables, what is focusing on the right variables a consideration of in six sigma?
A. Significance of correlation
B. Type I error
C. Best line fit
D. Power in hypothesis tests
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. Linearity
C. Reproducibility
D. Repeatability
Examine the following list of values.
5, 4, 3, 4, 5, 6, 7, 3, 6, 5
What is the mode of these values?
A. 4.8
B. 1.56
C. 4
D. 5
Examine the following list of values.
15, 17, 16, 17, 13, 17, 14, 16, 15, 17
What is the variance of these values?
A. 1.81
B. 1.35
C. 15.7
D. 4
In which step of the plan-do-check-act (PDCA) cycle would documenting results belong?
A. Do
B. Plan
C. Act
D. Check
Examine the following list of values.
5, 2, 3, 1, 3, 1, 2, 2, 4, 3
What is the standard deviation of these values?
A. 2.6
B. 1.44
C. 1.2
D. 2.5
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
A process has been mapped and it was determined that the fifth step is not something the customer would pay for and is not required. The fifth step was eliminated from the process. This is known as:
A. Stratified Sampling
B. Value Analysis
C. Measure of Dispersion
D. Hypothesis Testing
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
You are performing a linear correlation. You have determined that the total sum of squared errors is equal to 1250 and the total sum of squares is 2100. What is your coefficient of determination?
A. .405
B. 0.250
C. 0.750
D. 0.595
Which factor is used to select an initial DMAIC six sigma project?
A. Need to take into account resource constraints
B. Should be complex enough to merit the effort needed
C. An interest for project team members only
D. Focused on the benefits for a single department
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. Pushed work
B. Operator
C. Supplier
D. Inventory
Which type of control chart is most likely used when data is readily available?
A. X bar - S chart
B. X bar - R chart
C. Run chart
D. X - MR 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 Defects learning aid.
How many defects per unit (DPU) would one expect from the data presented?
A. 0.60
B. 0.20
C. 0.34
D. 0.52
Which Six Sigma team role is most responsible for allocating resources to promote process improvements?
A. Yellow belt
B. Process owner
C. Champion
D. Executive sponsor
Consider the following list of values.
5, 7, 3, 7, 9, 11, 8, 7, 6, 3
What is the mean of these values?
A. 5.64
B. 6.6
C. 8
D. 7
Who is typically placed in charge of the control plan?
A. Project team
B. Yellow belt
C. Process owner
D. Green belt
Which statement best describes the kanban technique?
A. A chart of the steps in a sequence of production activities, the flow of information and material, and any human movement during a process
B. An inventory control system that indicates when material is needed by a process and tells an upstream supplier to send material downstream
C. A production methodology that ensures that materials are delivered just as they are needed for the next production step in a process
D. An analytic approach that involves examining a process to uncover where human errors occur
In which step of the plan-do-check-act (PDCA) cycle would documenting results belong?
A. Plan
B. Do
C. Check
D. Act
Which quantitative data sample is an example of discrete data?
A. 2 Kilometers (1.24 Miles)
B. 20 degree Celsius (68 degrees Fahrenheit)
C. 3 defects per item produced
D. 100 millimeters (3.94 inches)
What typically depicts a time-scaled activity list, usually graphically displayed left or right across a time line?
A. Control chart
B. Interrelationship diagraph
C. Gantt chart
D. ImR chart
Which formula enables you to make predictions about what you are going to get out of a process with x and y factors?
A. Simple linear regression
B. F-test
C. Binomial
D. Bias
During a Six Sigma project it is determined that there is a strong relationship between the relative age of patients and the relative amount of calcium in bones. This is an example of:
A. Statistics
B. Sampling
C. Causation
D. Correlation
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. Pushed work
B. Supplier
C. Operator
D. Inventory
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. Inventory
B. Supplier
C. Operator
D. Pushed work
Which type of six sigma team is most likely to be given the maximum latitude possible from management to achieve their objectives?
A. Quality circle
B. Ad hoc
C. Cross functional
D. Self-directed
Which team decision making tool is used to rank ideas generated by other methods, but does not generate ideas itself?
A. Poke-yoke
B. Nominal group technique
C. Multivoting
D. Brainstorming
Examine the chart in the exhibit.
What does this chart help to reveal?
A. The ranking of possible failures
B. The truth about the alternative hypothesis
C. The elimination of muda
D. The focus for root cause analysis
Which data is an example of qualitative data?
A. Length
B. Temperature
C. Satisfaction
D. Weight
Which formula represents the power for a hypothesis test?
A. P(A) + P(B)
B. a + (bx)
C. 1 - Beta
D. FTY sub 1 * FTY sub 2 * FTY sub 3...* FTY sub n
Which document contains the problem statement?
A. Project charter
B. Communication plan
C. Perceptual map
D. Business case
Which percentage represents the control boundaries for an X bar - R chart?
A. 100%
B. 99.73%
C. 68.27%
D. 95.45%
Examine the Defects learning aid.
How many defects per million opportunities (DPMO) would one expect from the data presented?
A. 600,000
B. 120,000
C. 520,000
D. 340,000
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
Examine the chart in the exhibit.
What does the chart represent?
A. Skewed distribution
B. Control chart
C. Bimodal distribution
D. Pareto chart
In which data collection technique would you most likely use a Likert scale?
A. Focus groups
B. Surveys
C. Interviews
D. Observations
During which step of the DMAIC process would data about the process to be improved be gathered?
A. Analyze
B. Define
C. Control
D. Measure
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
Rejecting a null hypothesis that is actually correct is known as:
A. Capability index
B. Type I errors
C. ANOVA
D. Beta risk
When creating a data collection plan, which drawbacks must be considered for automatic data collection?
A. Higher initial costs and the possibility of erroneous data being collected
B. Labor intensive and subject to errors in recording
C. Higher initial costs and subject to errors in recording
D. Labor intensive and higher initial costs
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. Level loading
B. Inspection
C. Kaizen blitz
D. CoQ
Examine the chart in the exhibit.
What does this chart help to reveal?
A. The truth about the alternative hypothesis
B. The elimination of muda
C. The ranking of possible failures
D. The focus for root cause analysis
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. Precision
B. Sensitivity
C. Accuracy
D. Bias
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 tool is used to help identify potential failures in a process by documenting the potential failure mode, RPN, and recommended corrective actions?
A. Kanban card
B. Current state map
C. SIPOC diagram
D. FMEA worksheet
When evaluating the cost of poor quality (COPQ), quality planning is an example of which category of cost?
A. Appraisal costs
B. Internal failure costs
C. Prevention costs
D. External failure costs
Which statement best describes the VOC?
A. The in-depth knowledge gained from interviewing customers
B. The creation of value for stakeholders by focusing on the overall business process
C. The process of capturing customer requirements
D. The tool used to convert customer requirements into the product technical requirements.
During which step of the PDCA cycle are implemented changes tested?
A. Plan
B. Check
C. Do
D. Act
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 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 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
Which action would be unique to the nominal group technique for team decision making?
A. A group of five individuals is appropriate to implement the technique.
B. Ideas are generated without judgment or interrogation in terms of their practicality or implementation.
C. Participants generate and record ideas privately before presenting them to the group.
D. Participants privately rank existing ideas in order of personal preference.
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
Examine the chart in the exhibit.
What does the chart represent?
A. Control chart
B. Bimodal distribution
C. Skewed distribution
D. Pareto chart
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