Question 1
Question
Which of the following items is part of a team charter, developed in the Define step?
Question 2
Question
Which of the following techniques is most likely to help you in the first step within Improve where you are identifying all potential solutions?
Answer
-
Priority based matrix
-
Paired comparisons
-
Random Words
Question 3
Question
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.?
Answer
-
Measure all day, every day for the first week of the next month
-
Measure each morning every day for the first two weeks of the next month
-
Measure for a period of 10 minutes in every hour for the next month
Question 4
Question
Which of the following is a measure of process capability?
Question 5
Question
If the team fails to spend time in the Control phase of DMAIC which of these is most likely to occur?
Answer
-
The team will have the wrong composition
-
The process improvement will not be maintained
-
The wrong root cause will be identified
Question 6
Question
Which of the following tools would be most appropriate to display ongoing cycle time performance in the credit dispatch process?
Answer
-
Scatter diagram
-
Histogram
-
Pareto
-
X-moving R control chart
Question 7
Question
If a process is in statistical control:
Question 8
Question
The stakeholder analysis
Answer
-
Is used mainly in the Define phase
-
Is used mainly in the Measure phase
-
Is used mainly in the Improve phase
-
Should be reviewed throughout the project and updated accordingly
Question 9
Question
Guage R and R stands for:
Answer
-
Roles and Responsibilities
-
Repeatability and Reproducibility
-
Rolls Royce
-
Reliability and Regularity
Question 10
Question
We set the control limits around +/-3 standard deviations because:
Answer
-
99.73 of data will fall within this so it is unlikely a point will naturally fall outside
-
Operating at three sigma is good enough for most processes
-
Motorolla identified a 1.5 sigma shift in either direction.
Question 11
Question
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]
Question 12
Question
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]
Question 13
Question
The difference between defects and defectives is:
Question 14
Question
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]
Question 15
Question
The key output of Analyse is:
Question 16
Question
One use of sigma measures is to:
Answer
-
Understand if there is a correlation between the X and the Y
-
Understand how well different processes perform
-
Identify the type of variation in the process
Question 17
Question
Which of the following steps are Customer value added (identify all)?
Answer
-
Take order
-
Transfer order onto suppliers database
-
Check the address is correct
-
Ring the customer to obtain missing information
-
Deliver order
-
Copy the signed order to accounts
Question 18
Question
Gauge R and R is:
Answer
-
A way of predicting what will go wrong with a project
-
An indicator of measure system reliability
-
The method used to determine R squared
Question 19
Question
Continuous data:
Answer
-
is less data rich than attribute data
-
Will need a smaller sample size than attribute data
-
Cannot be used in a scatter diagram
Question 20
Question
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]
Question 21
Question
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]
Question 22
Question
An Xbar R chart is used:
Question 23
Question
The most important CTQs are derived from:
Answer
-
Your manager or team leader
-
Last years performance + 10%
-
Beating your competitors performance
-
The external customer
Question 24
Question
The correlation co-efficient:
Answer
-
Helps validate your ideas about the vital few root causes
-
Identified the difference between the performance in 2 teams
-
Confirms whether an improvement initiative has worked
-
Is either zero or a positive number
Question 25
Question
A full factoral experiment with 2 levels and 5 factors will require?
Number of runs = [blank_start]32[blank_end]
Question 26
Question
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”?
Answer
-
Ideal (meets CTQ and in control)
-
Threshold (not meeting the CTQ and in control)
-
On the brink (meeting the CTQ but out of control)
-
Chaos (not meeting CTQ and out of control)
Question 27
Question
Which of the following would usually indicate natural (common cause) variation?
Answer
-
A point outside the control limits
-
An increasing trend over time
-
Usual small variations in data between the control limits
Question 28
Question
Which of the following is a continuous measure?
Question 29
Question
Scope creep is often a problem with projects. Which of these tools would NOT help manage it?
Answer
-
Tollgate reviews
-
SIPOC
-
ANOVA
-
In/Out of Frame
Question 30
Question
Histograms which two or humps suggest?
Answer
-
There is an error in the data collection
-
Segmentation would be useful
-
Data transformation is needed
Question 31
Question
To move our client from dissatisfied to satisfied which of these requirements will be of LEAST importance?
Answer
-
Dissatisfiers
-
Satisfiers
-
Delighters
Question 32
Question
When you make a change in a process to improve performance should you expect the process initially to:
Answer
-
Stay in control
-
Go out of control
Question 33
Question
In the scatter diagram the vertical axis is:
Question 34
Question
When analyzing Voice of the Customer data to derive CTQs which of the following tools is LEAST likely to be useful?
Answer
-
Affinity diagram
-
Tree diagram
-
Kano model
-
Theory of constraints
Question 35
Question
Another way to describe cause and effect is?
Answer
-
Y’s and X’s
-
P’s and Q’s
-
X’s and Y’s
Question 36
Question
SIPOC is a clear deliverable of which DMAIC phase (select 1)?
Answer
-
Define
-
Measure
-
Analyse
-
Improve
-
Control
Question 37
Question
A display of data in a time sequence is called?
Answer
-
A histogram
-
A pie chart
-
A run chart
-
A scatter diagram
Question 38
Question
Histograms are used to:
Answer
-
Display the distribution of historical process data
-
Identify special cause variation
-
Display a time series plot
Question 39
Question
CTQs should be expressed in a format that?
Question 40
Question
The Risk Priority Number applies to:
Answer
-
Priority based matrix
-
Force Field analysis
-
Scatter diagram
-
FMEA
Question 41
Question
A sample must be:
Answer
-
Representative
-
Large
-
Segmented
Question 42
Question
Poke Yoke is about:
Question 43
Question
The sampling formula n = 2s/dy)² gives a confidence level of:
Question 44
Question
The upper and lower control limits on a control chart are derived from:
Question 45
Question
Which of the following techniques is a form of hypothesis testing?
Answer
-
Fishbone
-
R&R
-
ANOVA
-
Pareto
Question 46
Question
Operational Definitions help ensure:
Answer
-
Consistent measurement
-
An accurate team charter
-
A comprehensive SIPOC
Question 47
Question
Which of the following statements best describes DPMO?
Answer
-
Defects per manufacturing operation and is a lean measure of waste
-
Defects per million opportunities and is a lean measure of value add
-
Defects per manufacturing operation and is often referred to as parts per million
-
Defects per million opportunities and is a six sigma measure of process capability
Question 48
Question
If a company is operating at 2 sigma, what percentage of its customers are experiencing defects?
Answer
-
Approx. 10%
-
Approx. 20%
-
Approx. 30%
-
Approx. 70%
Question 49