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Lean Six Sigma Green Belt Test (LSSGB Simulation IASSC Test Paper 4) - Questions & Answers
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Lean Six Sigma Green Belt Test (LSSGB SimulationIASSC Test Paper 4) - Questions & Answers
*What is the key benefit of multi-vari charting? Right Ans - It assists in the
breakdown of components of variation
*Deciding to collect sample from a population is often: Right Ans - An
Economical decision
*A Six Sigma project had a lot of improvement measures suggested on training
people, setting standardized job instructions, getting surveys done from
employees, and so on. Who would be the focused audience for whom this
project was aimed at? Right Ans - Internal Customers
*Cause and Effect Diagram when used with 5 WHY helps you in understanding
the root cause of the problem. In doing so, what does the Six Sigma team wish
to know? Right Ans - The assignable causes
(Identification of root cause means you have been able to assign a cause to the
cause of variation. It also means that you have been able to identify Assignable
causes of variation, as common causes are untraceable to their causes.)
*Which of the below mentioned tools is considered best to inform employees
of their work roles, in terms of ease of understanding and implementation?
Right Ans - Written Instructions
*In embracing Six Sigma, what has been the principal motivating factor from
the point of view of upper management? Right Ans - Bottom line results
* (Don't Use Now)!!!!The purpose of "rolled throughput yield" in Six Sigma
would NOT be to: Right Ans - Use the calculation for customer analysis
(All the answer choices are reasons for using a throughput yield to help
analyze a possible problem with the exception of answer choice c)
*A company making rubber tires is evaluated on 5 opportunities per product;
in 1000 products manufactured in a month if 100 defects are observed, the
Rolled Throughput Yield is: Right Ans - 98%
,Total Opp.= 5000 Total Defects = 100/5000 Defects/ Mill. Opp. =
100/5000*10,00,000= 20,000 Sigma levels using table is approximately 3.6.
Sub. 3.6 in RTY table = 98%
*What is Lean philosophy Right Ans - Provide perfect value to the customer
through a perfect value creation process that has zero
*When samples are drawn out of a population randomly, what is said to be
true?
a) The sample mean is always the same as population mean
b) The sample stud dev. will be the same as population stud. dev.
c) The sampling distribution approaches normality with increase in sample
size
d) The sampling distribution would be triangular if population is distributed
as triangular distribution Right Ans - c
*Which of the following tools is most used in the define phase of a project?
Right Ans - Affinity diagram
*Which of these is considered a technique to collect data or comments from
customers? Right Ans - Focus Groups
DONT USE!!!!*Which of the following cannot be considered as an acceptable
reason for deploying a Six Sigma DMAIC project? Right Ans - Improve the
Design
*Sum Square of Error is = to: Right Ans - Sum Squares due to Pure Error +
Sum Squares due to Lack of Fit
*The p value for Moods Median test is .02 and the level of significant is set
at .05, what decision is made? Right Ans - Reject null hypothesis
(For hypothesis testing if the p value is smaller than the significance level the
null hypothesis is rejected)
, *What type of waste would the following scenario potentially cause? A
clothing manufacturing is producing more items than what the customer has
ordered. Right Ans - Over Production
*Which of the following variations are identified in control charts?
a) Random and chance
b) Special and assignable
c) Normal and Special
d) Normal and random Right Ans - c
*Which of the following tools helps in visualizing series of causes to an effect?
Right Ans - Ishikawa diagram
(There are normally a series of root causes stemming from one problem, and
they can be visualized in cause and effect manner using Cause-and-Effect
diagram.)
*Which of the following statistical tests should be used by the Green Belt for
testing the means between two inter-related groups? Right Ans - Paired t
test
(Paired t test is the only test that works on related groups.)
*Standard Deviation in Six Sigma applications is referred to as difference from
the: Right Ans - Mean
*In a typical DFSS Approach, which of these stages figures in most DFSS
approaches? Right Ans - Identify
*Which of the following pairs is the most useful in preparing control charts,
when used together, for variables data? Right Ans - X-bar and R
(An X-bar and R chart is represented best by variables data)
*Which of the following activities is NOT non value-added? Right Ans -
Process
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