Six Sigma Black Belt Exam - May 24
Instructions:
(Pass Percentage: 50%)
1 / 135
If the regression equation is given as Water (It)= -5.28 + 1.98 Salt content (gm). What is the predicted value for Water (It) when the Salt content is 10 gm?
2 / 135
If the average DPU = 0.5, find out DPMO (Defects per Million opportunities) using the Poisson's approximation.
3 / 135
30 cars with engine oil A were driven for 120 kms and mileage was recorded. Engine oil was replaced in these cars with engine oil B. The cars were driven again for 120 kms and mileage was recorded. All other external conditions were same. What is the most appropriate test that can be carried out to analyse whether engine oil A is more effective than engine oil Bin improving mileage?
4 / 135
The resource whose roles & responsibilities most closely match a person who takes over the project after project completion is:
5 / 135
What is the path for Attribute Measurement System analysis in Minitab Statistical Software?
6 / 135
A Latin Square design is useful when we want to do which of the following;
7 / 135
Failure Modes and Effects Analysis (FMEA) prioritizes risks based on RPN scores. Which of the following has the highest risk
8 / 135
In which survey method are respondents more likely to believe that their answers will be anonymous?
9 / 135
Competitive Benchmarking can be used to enable change within a company when:
10 / 135
Which of the following test is a test for special cause in np chart?
11 / 135
If we conduct a fractional factorial design and have a Resolution IV design, then which of the following is true:
12 / 135
Keep needed items in the correct place to allow for easy and immediate retrieval refers to
13 / 135
Name three Six Sigma tools you would use to develop a change management plan
14 / 135
The tool used to translate VOC into customer requirements is:
15 / 135
A is one who would authorize the launch of the project and provide resources to work on the project.
16 / 135
It is important to pilot solutions before full scale implementation because: i) It can identify problems and enable fixes before mass rollout, ii) it can help us identify critical inputs iii) It can reduce risks of bad solutions, iv) It can reduce costs and time to deploy solutions
17 / 135
The terminology "Groupthink" refers to:
18 / 135
The determination of population confidence intervals based on sample data is called _statistics.
19 / 135
In a perfect normal distribution, we observe that
20 / 135
The resolution of the instrument doing the calibration should be at most:
21 / 135
Correlation causation.
22 / 135
Which of the following savings can be traced directly to the company's bottom line
23 / 135
For the given data set, construct a frequency diagram (histogram) and visually determine if it follows a normal distribution: 1111122 2 2 2 3 3 3 3 3 4 4 4 4 4 5 55 55
24 / 135
Project risk analysis includes risks due to:
25 / 135
Which of the following is NOT a deliverable of,Analyse Phase?
26 / 135
The following approaches can be used to motivate, sustain and support the participation and commitment of team members EXCEPT?
27 / 135
Which of the following is a tool that may be used to scope a project and outline boundaries of the project?
28 / 135
The purpose of gap analysis in the Analyze phase is to:
29 / 135
The project charter element "Opportunity Statement" most closely is associated with which of the following:
30 / 135
If X andY are perfectly correlated, the most appropriate inference is
31 / 135
In an FMEA analysis, the severity is calculated as 5, occurrence is 8 and detection is 4. What is the calculated score?
32 / 135
A customer states that "f waited for hours to purchase a train ticket". This VOC (voice of customer) could potentially relate to which of the following CTQ's (Critical to Quality):
33 / 135
If an experiment has 20 factors that could potentially impact the final output Y, then the appropriate test to run would be:
34 / 135
Select the right Six Sigma tool that can help determination of a project timeline:
35 / 135
In order to facilitate organizational change using Six Sigma, which of the following is NOT likely to be a key responsibility of senior management:
36 / 135
Which tool would you use to determine the vital few from the trivial many:
37 / 135
A rational subgroup ensures that there is--- --variation within the subgroup and --- -----_ variation between subgroups.
38 / 135
If it is not practical to do measurement systems analysis in fields such as marketing, sales etc., which tool can be used to validate the measurement system?
39 / 135
What are some challenges of working on processes that are cross-functional in nature? i) Projects can require significant change management effort & may fail, ii) Projects may take longer to get completed.
40 / 135
If the null hypothesis is true in reality but we conclude that the null hypothesis is false based on our analysis, we/ are making the following error:
41 / 135
is considered the father of Six Sigma
42 / 135
Which tool would you use to find restrainers and drivers to change?
43 / 135
is one who may not attend all the meetings but would contribute on an as-needed basis
44 / 135
The Voice of the Customer data collection method "Survey" refers to:
45 / 135
The Lean tool TPM stands for:
46 / 135
According to John Kotter, the most common reason for project failure is:
47 / 135
In a Pull system, the signal used to convey information upstream to make more products is called:
48 / 135
At the conclusion of the project, the project hand-off meeting should include:
49 / 135
Identify which of the following variables are continuous: i) Temperature, ii)% of defectives in a month, iii) Customer Satisfaction Ratings, iv) Number of road accidents.
50 / 135
For a 1-Sample Z test if alpha= 5%, power= 50%, standard deviation= 2.5, and the difference to be detected (Delta) = 1 , determine the appropriate sample size for this test:
51 / 135
The metrics used to track organizational performance should include:
52 / 135
In order to make the Standard Operating Procedure (SOP) effective, we must have all of the following EXCEPT:
53 / 135
For the Pareto analy is, pick the right inference below:
54 / 135
In order to make a process continuous flow, we require that each step in the process:
55 / 135
The Six Sigma approach we would use to improve an existing process is called and the approach we would use for designing new processes is called _
56 / 135
The main deliverables of the Control phase are:
57 / 135
The 8th waste in Lean is usually referred to:
58 / 135
Lean focuses on _______________ reduction while Six Sigma focuses on _________________ reduction
59 / 135
The acronyms DMADV and IDOV stand for ____________________ and ___________________
60 / 135
If A and Bare two mutually exclusive events, then the probability of both A and B occurring, P(AחB), is equal to:
61 / 135
Some of the Six Sigma tools that can be used to generate potential solutions are: _
62 / 135
All of the following are approaches you would use to ensure that your teams were productive EXCEPT:
63 / 135
The main deliverable of the Measure Phase is:
64 / 135
Select the team stage that best matches the characteristic "Members are enthusiastic and excited to be a part of the team"
65 / 135
Which presentation method should not be used for project completion review?
66 / 135
Select the most appropriate tool to ensure that the process is in control:
67 / 135
Select the right Six Sigma tool that can help with grouping similar ideas together to form themes:
68 / 135
In order to determine experimental error, it is better to do which of the following:
69 / 135
Process maps should be developed _
70 / 135
The responsibility for ongoing control of the improved process rests with:
71 / 135
Which of the following is TRUE
72 / 135
Customers, as defined in a Six Sigma project can be:
73 / 135
Determine the number of replications required for a 3-factor 2-level full factorial design to achieve a power of 90% with a confidence level of 95%, when we are interested in detecting a difference of 1 when the standard deviation is 0.5
74 / 135
One of the Lean tools that is used to make small continuous improvements in the workplace is called:
75 / 135
The person responsible for leading a project and solve problems is:
76 / 135
If only short-term data is available, then the sigma level calculated based on this data is related to .the long-term data using the relationship ZLT = ZST + .
77 / 135
Which tool can be used for selecting the right or best solution from a list of potential solutions:
78 / 135
The primary purpose of lessons learned document is to:
79 / 135
Central Limit Theorem states that if we take several sets of data from a uniformly distributed population and average those, then the averaged data sets follow a distribution.
80 / 135
If we have known nuisance factors and unknown noise factors that could affect our design of experiment, then the best way to tackle this is to do which of the following:
81 / 135
The unquestioned acceptance to the team's solution is called:
82 / 135
Using a statistical software to check for the normality of the given data: 1, 2, 1, 5, 4, 6, 4, 3, 2, 1, 2, 4, 5, 1, 2. The computed Anderson-Darling Normality test p-value is:
83 / 135
Which Six Sigma tool would you use to identify internal and external customers?
84 / 135
What is the most important Critical Success Factor that will help overcome some of the organizational roadblocks (like lack of resources etc)
85 / 135
The reason we need to recheck measurement system capaqitity in the C phase is because:
86 / 135
Six Sigma can be described by theories such as focus, driven, of variation, and methodologies.
87 / 135
The main deliverable of the Improve phase is:
88 / 135
In an FMEA analysis, the severity is calculated as 5, occurrence is 8 and detection is 4. What is the calculated RPN (Risk Priority Number) score?
89 / 135
When you have brainstormed and come up with several ideas which technique would you use to narrow down the list using a secret ballot process:
90 / 135
The 5 Why's analysis for root cause analysis stands for:
91 / 135
In "Define" phase, which tool highlights the problem and goal statement
92 / 135
The person or persons responsible for selection and approval of Six Sigma projects are:
93 / 135
For a hypothesis test comparing the performance of two employees, the P value< 0.05 and the difference in performance amounts to a difference of less than $1 per year. Then, the following would be true:
94 / 135
For a process with a lower specification limit= 18 and upper specification limit= 24. The process has a mean of 20 and a within standard deviation= 1and an overall standard deviation= 2. For this process, the calculated Pp is _________
95 / 135
If we have defects data and the subgroup size is varying, then the appropriate control chart to use would be:
96 / 135
Which tool can be used to narrow down the scope of a problem so that the project may focus on one CTQ
97 / 135
In a process, if there are 10 defectives out of 100\units sampled, then the process yield is:
98 / 135
Power of a test
99 / 135
Communication of project recommendations must try to include the following form/s of delivery:
100 / 135
A rational subgroup ensures that there is variation within the subgroup and _ variation between subgroups.
101 / 135
If we are comparing the measure of location/measure of central tendency of two populations and one of the population data are not normally distributed, the appropriate test to use would be:
102 / 135
The light indicator on a car dashboard that blinks to show that the driver is not wearing his seatbelt is an example of which Poka-Yoke concept:
103 / 135
Comparing the Sigma levels for ZENTITLEMENT, ZGOAL, ZLT, and ZST assuming they are all different, we can usually conclude that:
104 / 135
The Lean terminology "Poka-Yoke" refers to:
105 / 135
What is the purpose of secondary metrics?
106 / 135
Suppliers of inputs and customers of output can be displayed using
107 / 135
The relationship Y = f(x) implies that variation in the has an impact on the ,which in turn has an impact on customer satisfaction.
108 / 135
Identify which of the following variables is/are continuous: i) Transaction Processing time ii)% of defectives in a month, iii) Customer Satisfaction Ratings, iv) Number of road accidents
109 / 135
Which of the following is used to explore cause and effect relationship?
110 / 135
What are some mechanisms to conrol stakeholders on a project?
111 / 135
Replication of Six Sigma project implies:
112 / 135
The financial benefits computed at the end of the project must:
113 / 135
If the upper specification limit= 12, lower specification limit= 0, and the process estimated standard deviation = 2, then the Cp calculated as:
114 / 135
The person responsible for the overall success of the Six Sigma program within a company is:
115 / 135
Which project would you select to be launched if preliminary calculations for Net Present Value (NPV) are as indicated:
116 / 135
The_______________ limits are determined by the customer
117 / 135
Green Bellt projects are more suitable for processes that span functional areas, while Black Belt projects are more suitable for processes that span functional areas.
118 / 135
Which data set has the most amount of information contained within it?
119 / 135
A Six Sigma project objective must be SMART. The acronym SMART stands for:
120 / 135
The difference between the average measurements with respect to the true value is called:
121 / 135
Projects impact customers by primarily impacting three CTQ's. Where the CTQ's stand for Critical to -----' Critical to------------------ , and Critical to _
122 / 135
For a test with alpha= 0.02 and beta = O.O5, the following is true:
123 / 135
The person who would validate the financials at the end of the project is:
124 / 135
For a measurement system whose output is shown in the table, is the over all gage acceptable ?
125 / 135
The first step in John Kotter's 8 step change management principles is . The Six Sigma tool that can help implement this is-------:----
126 / 135
A project that spans different boundaries is likely to have the following challenges:
127 / 135
In a project completion presentation, Senior Management is most interested in
128 / 135
If process improvements by DMAIC are not sufficient, then we would use _
129 / 135
If alpha= 5%, beta= 10%, then probability of Type I error is:
130 / 135
Milestone reviews for Six Sigma projects should be conducted:
131 / 135
A brainstorming exercise provides 6 ideas {A, B, C, D, E, and F). In order to determine the best idea, multi-voting is done by three individuals. The selected ideas by the people are Person 1{C, D, A), Person 2 {B, C, F), and Person 3 (F, D, C). Which idea should be selected based on this voting:
132 / 135
Select the most appropriate tool to identify the viewpoints of people who may impact or be impacted by change:
133 / 135
Calculate the probability value for the continuous\variable X having a value less than 5 when the data comes from a normally distributed population with mean = 15, and standard deviation= 5.
134 / 135
Which approach would you use to facilitate a team that is in the "Storm" stage?
135 / 135
For the given data set, use a software or calculate by hand the measures of central tendency, mean and median:
0,1,2,3,4,5,6, 7,8,9,10
Your score is