3559085
Descripción
Test por Oliver Spencer, actualizado hace más de 1 año
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Creado por Oliver Spencer
hace alrededor de 9 años
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Pregunta 1
Pregunta
Which of the following items is part of a team charter, developed in the Define step?
Respuesta
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The solution
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The root cause
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A Problem / Goal Statement
Pregunta 2
Pregunta
Which of the following techniques is most likely to help you in the first step within Improve where you are identifying all potential solutions?
Respuesta
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Priority based matrix
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Paired comparisons
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Random Words
Pregunta 3
Pregunta
You have been asked to measure the queuing time for customers at the branch of a bank. Which of the following sampling options will be most appropriate.?
Respuesta
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Measure all day, every day for the first week of the next month
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Measure each morning every day for the first two weeks of the next month
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Measure for a period of 10 minutes in every hour for the next month
Pregunta 4
Pregunta
Which of the following is a measure of process capability?
Respuesta
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FMEA
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QFD
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Cp
Pregunta 5
Pregunta
If the team fails to spend time in the Control phase of DMAIC which of these is most likely to occur?
Respuesta
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The team will have the wrong composition
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The process improvement will not be maintained
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The wrong root cause will be identified
Pregunta 6
Pregunta
Which of the following tools would be most appropriate to display ongoing cycle time performance in the credit dispatch process?
Respuesta
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Scatter diagram
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Histogram
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Pareto
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X-moving R control chart
Pregunta 7
Pregunta
If a process is in statistical control:
Respuesta
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It is meeting the CTQs
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It is stable and predictable
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There are special causes present
Pregunta 8
Pregunta
The stakeholder analysis
Respuesta
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Is used mainly in the Define phase
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Is used mainly in the Measure phase
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Is used mainly in the Improve phase
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Should be reviewed throughout the project and updated accordingly
Pregunta 9
Pregunta
Guage R and R stands for:
Respuesta
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Roles and Responsibilities
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Repeatability and Reproducibility
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Rolls Royce
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Reliability and Regularity
Pregunta 10
Pregunta
We set the control limits around +/-3 standard deviations because:
Respuesta
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99.73 of data will fall within this so it is unlikely a point will naturally fall outside
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Operating at three sigma is good enough for most processes
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Motorolla identified a 1.5 sigma shift in either direction.
Pregunta 11
Pregunta
Using the XmR Control Charts, calculate the control limits for X, where the mean of the first 20 data points is 25, and the mean for the moving range is 3.5. Give your answer rounded to 2 decimal places. Please use this format 00.00
UCLx = [blank_start]34.31[blank_end]
Respuesta
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34.31
Pregunta 12
Pregunta
Using the XmR Control Charts, calculate the control limits for X, where the mean of the first 20 data points is 25, and the mean for the moving range is 3.5. Give your answer rounded to 2 decimal places. Please use this format 00.00
LCLx = [blank_start]15.69[blank_end]
Respuesta
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15.69
Pregunta 13
Pregunta
The difference between defects and defectives is:
Respuesta
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There is no difference
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A defect identifies a failure to meet a CTQ whereas a defective identifies a unit which may contain several defects
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A defect is an error made by us whereas a defective is an error made by the customer
Pregunta 14
Pregunta
If you have a severity rating of 6, an occurrence rating of 5 and a detection rating of 6, what is your RPN?
RPN = [blank_start]180[blank_end]
Respuesta
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180
Pregunta 15
Pregunta
The key output of Analyse is:
Respuesta
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A solution to the problem
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The vital few root causes
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A response plan
Pregunta 16
Pregunta
One use of sigma measures is to:
Respuesta
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Understand if there is a correlation between the X and the Y
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Understand how well different processes perform
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Identify the type of variation in the process
Pregunta 17
Pregunta
Which of the following steps are Customer value added (identify all)?
Respuesta
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Take order
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Transfer order onto suppliers database
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Check the address is correct
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Ring the customer to obtain missing information
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Deliver order
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Copy the signed order to accounts
Pregunta 18
Pregunta
Gauge R and R is:
Respuesta
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A way of predicting what will go wrong with a project
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An indicator of measure system reliability
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The method used to determine R squared
Pregunta 19
Pregunta
Continuous data:
Respuesta
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is less data rich than attribute data
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Will need a smaller sample size than attribute data
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Cannot be used in a scatter diagram
Pregunta 20
Pregunta
Calculate the sigma value for the following process where:
The number of units process is 250, the number of defects is 106 and there are 2 defect opportunities per unit. (Answer to 1 decimal point)
Sigma Value = [blank_start]2.3[blank_end]
Respuesta
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2.3
Pregunta 21
Pregunta
What is the mean of this data set: ( 3, 5, 7, 18, 11, 6, 18, 6, 12, 8) Please use the format 0.0
Mean = [blank_start]9.4[blank_end]
Respuesta
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9.4
Pregunta 22
Pregunta
An Xbar R chart is used:
Respuesta
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For attribute data
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For data with varying sample sizes plus the range
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For plotting the means and ranges of subgrouped samples
Pregunta 23
Pregunta
The most important CTQs are derived from:
Respuesta
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Your manager or team leader
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Last years performance + 10%
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Beating your competitors performance
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The external customer
Pregunta 24
Pregunta
The correlation co-efficient:
Respuesta
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Helps validate your ideas about the vital few root causes
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Identified the difference between the performance in 2 teams
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Confirms whether an improvement initiative has worked
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Is either zero or a positive number
Pregunta 25
Pregunta
A full factoral experiment with 2 levels and 5 factors will require?
Number of runs = [blank_start]32[blank_end]
Respuesta
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32
Pregunta 26
Pregunta
A process has been analysed and the temperature measured with a mean of 104.5. The upper control limit is 131 and the lower control limit is 76. The process is in control. Assuming the CTQ is a temperature range between 68 and 130 – how would you describe the “state of the process”?
Respuesta
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Ideal (meets CTQ and in control)
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Threshold (not meeting the CTQ and in control)
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On the brink (meeting the CTQ but out of control)
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Chaos (not meeting CTQ and out of control)
Pregunta 27
Pregunta
Which of the following would usually indicate natural (common cause) variation?
Respuesta
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A point outside the control limits
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An increasing trend over time
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Usual small variations in data between the control limits
Pregunta 28
Pregunta
Which of the following is a continuous measure?
Respuesta
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Day of the week a service is completed
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The type of defect
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Cycle time to complete the service
Pregunta 29
Pregunta
Scope creep is often a problem with projects. Which of these tools would NOT help manage it?
Respuesta
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Tollgate reviews
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SIPOC
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ANOVA
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In/Out of Frame
Pregunta 30
Pregunta
Histograms which two or humps suggest?
Respuesta
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There is an error in the data collection
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Segmentation would be useful
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Data transformation is needed
Pregunta 31
Pregunta
To move our client from dissatisfied to satisfied which of these requirements will be of LEAST importance?
Respuesta
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Dissatisfiers
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Satisfiers
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Delighters
Pregunta 32
Pregunta
When you make a change in a process to improve performance should you expect the process initially to:
Respuesta
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Stay in control
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Go out of control
Pregunta 33
Pregunta
In the scatter diagram the vertical axis is:
Respuesta
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The cause
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The effect
Pregunta 34
Pregunta
When analyzing Voice of the Customer data to derive CTQs which of the following tools is LEAST likely to be useful?
Respuesta
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Affinity diagram
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Tree diagram
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Kano model
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Theory of constraints
Pregunta 35
Pregunta
Another way to describe cause and effect is?
Respuesta
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Y’s and X’s
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P’s and Q’s
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X’s and Y’s
Pregunta 36
Pregunta
SIPOC is a clear deliverable of which DMAIC phase (select 1)?
Respuesta
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Define
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Measure
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Analyse
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Improve
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Control
Pregunta 37
Pregunta
A display of data in a time sequence is called?
Respuesta
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A histogram
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A pie chart
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A run chart
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A scatter diagram
Pregunta 38
Pregunta
Histograms are used to:
Respuesta
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Display the distribution of historical process data
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Identify special cause variation
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Display a time series plot
Pregunta 39
Pregunta
CTQs should be expressed in a format that?
Respuesta
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Is clearly measurable
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Contains the solution
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Represents the voice of the process
Pregunta 40
Pregunta
The Risk Priority Number applies to:
Respuesta
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Priority based matrix
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Force Field analysis
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Scatter diagram
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FMEA
Pregunta 41
Pregunta
A sample must be:
Respuesta
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Representative
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Large
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Segmented
Pregunta 42
Pregunta
Poke Yoke is about:
Respuesta
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Identifying what is important to a customer
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Inspection
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Prevention
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The 80:20 rule
Pregunta 43
Pregunta
The sampling formula n = 2s/dy)² gives a confidence level of:
Respuesta
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99%
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95%
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99.9996%
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66%
Pregunta 44
Pregunta
The upper and lower control limits on a control chart are derived from:
Respuesta
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The customer specification and CTQs
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The targets set by management
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The actual process data
Pregunta 45
Pregunta
Which of the following techniques is a form of hypothesis testing?
Respuesta
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Fishbone
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R&R
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ANOVA
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Pareto
Pregunta 46
Pregunta
Operational Definitions help ensure:
Respuesta
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Consistent measurement
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An accurate team charter
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A comprehensive SIPOC
Pregunta 47
Pregunta
Which of the following statements best describes DPMO?
Respuesta
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Defects per manufacturing operation and is a lean measure of waste
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Defects per million opportunities and is a lean measure of value add
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Defects per manufacturing operation and is often referred to as parts per million
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Defects per million opportunities and is a six sigma measure of process capability
Pregunta 48
Pregunta
If a company is operating at 2 sigma, what percentage of its customers are experiencing defects?
Respuesta
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Approx. 10%
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Approx. 20%
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Approx. 30%
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Approx. 70%
Pregunta 49
Pregunta
A process is:
Respuesta
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A series of steps and actions that produce an output
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A one of task
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Only applicable to manufacturing organisations
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