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