3559085
Descrição
Quiz por Oliver Spencer, atualizado more than 1 year ago
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Criado por Oliver Spencer
aproximadamente 9 anos atrás
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Questão 1
Questão
Which of the following items is part of a team charter, developed in the Define step?
Responda
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The solution
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The root cause
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A Problem / Goal Statement
Questão 2
Questão
Which of the following techniques is most likely to help you in the first step within Improve where you are identifying all potential solutions?
Responda
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Priority based matrix
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Paired comparisons
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Random Words
Questão 3
Questão
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.?
Responda
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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
Questão 4
Questão
Which of the following is a measure of process capability?
Responda
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FMEA
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QFD
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Cp
Questão 5
Questão
If the team fails to spend time in the Control phase of DMAIC which of these is most likely to occur?
Responda
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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
Questão 6
Questão
Which of the following tools would be most appropriate to display ongoing cycle time performance in the credit dispatch process?
Responda
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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
Questão 7
Questão
If a process is in statistical control:
Responda
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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
Questão 8
Questão
The stakeholder analysis
Responda
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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
Questão 9
Questão
Guage R and R stands for:
Responda
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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
Questão 10
Questão
We set the control limits around +/-3 standard deviations because:
Responda
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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.
Questão 11
Questão
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]
Responda
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34.31
Questão 12
Questão
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]
Responda
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15.69
Questão 13
Questão
The difference between defects and defectives is:
Responda
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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
Questão 14
Questão
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]
Responda
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180
Questão 15
Questão
The key output of Analyse is:
Responda
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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
Questão 16
Questão
One use of sigma measures is to:
Responda
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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
Questão 17
Questão
Which of the following steps are Customer value added (identify all)?
Responda
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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
Questão 18
Questão
Gauge R and R is:
Responda
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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
Questão 19
Questão
Continuous data:
Responda
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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
Questão 20
Questão
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]
Responda
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2.3
Questão 21
Questão
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]
Responda
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9.4
Questão 22
Questão
An Xbar R chart is used:
Responda
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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
Questão 23
Questão
The most important CTQs are derived from:
Responda
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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
Questão 24
Questão
The correlation co-efficient:
Responda
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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
Questão 25
Questão
A full factoral experiment with 2 levels and 5 factors will require?
Number of runs = [blank_start]32[blank_end]
Responda
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32
Questão 26
Questão
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”?
Responda
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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)
Questão 27
Questão
Which of the following would usually indicate natural (common cause) variation?
Responda
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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
Questão 28
Questão
Which of the following is a continuous measure?
Responda
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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
Questão 29
Questão
Scope creep is often a problem with projects. Which of these tools would NOT help manage it?
Responda
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Tollgate reviews
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SIPOC
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ANOVA
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In/Out of Frame
Questão 30
Questão
Histograms which two or humps suggest?
Responda
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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
Questão 31
Questão
To move our client from dissatisfied to satisfied which of these requirements will be of LEAST importance?
Responda
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Dissatisfiers
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Satisfiers
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Delighters
Questão 32
Questão
When you make a change in a process to improve performance should you expect the process initially to:
Responda
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Stay in control
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Go out of control
Questão 33
Questão
In the scatter diagram the vertical axis is:
Responda
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The cause
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The effect
Questão 34
Questão
When analyzing Voice of the Customer data to derive CTQs which of the following tools is LEAST likely to be useful?
Responda
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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
Questão 35
Questão
Another way to describe cause and effect is?
Responda
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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
Questão 36
Questão
SIPOC is a clear deliverable of which DMAIC phase (select 1)?
Responda
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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
Questão 37
Questão
A display of data in a time sequence is called?
Responda
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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
Questão 38
Questão
Histograms are used to:
Responda
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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
Questão 39
Questão
CTQs should be expressed in a format that?
Responda
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Is clearly measurable
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Contains the solution
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Represents the voice of the process
Questão 40
Questão
The Risk Priority Number applies to:
Responda
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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
Questão 41
Questão
A sample must be:
Responda
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Representative
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Large
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Segmented
Questão 42
Questão
Poke Yoke is about:
Responda
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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
Questão 43
Questão
The sampling formula n = 2s/dy)² gives a confidence level of:
Responda
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99%
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95%
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99.9996%
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66%
Questão 44
Questão
The upper and lower control limits on a control chart are derived from:
Responda
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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
Questão 45
Questão
Which of the following techniques is a form of hypothesis testing?
Responda
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Fishbone
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R&R
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ANOVA
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Pareto
Questão 46
Questão
Operational Definitions help ensure:
Responda
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Consistent measurement
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An accurate team charter
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A comprehensive SIPOC
Questão 47
Questão
Which of the following statements best describes DPMO?
Responda
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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
Questão 48
Questão
If a company is operating at 2 sigma, what percentage of its customers are experiencing defects?
Responda
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Approx. 10%
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Approx. 20%
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Approx. 30%
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Approx. 70%
Questão 49
Questão
A process is:
Responda
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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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