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Six Sigma Course Practice Test Q&As 1

A shift in the process mean for a measured characteristic would most likely be detected by a:

  c-chart
  p-chart
  x-bar chart
  R-chart
  s-chart

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x-bar chart

A trend (in control charting) is typically described as:

  Seven points in a row that are beyond the control limits
  Seven points in a row either above or below the center line
  Seven data points in a subgroup
  Seven points in a row in either an upward or downward direction

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Seven points in a row in either an upward or downward direction

When using a control chart, one should gather data:

  From inspection records
  That is easiest to collect
  In the order of production
  None of the above

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In the order of production

The project charter is best described as

  A code of conduct
  A set of commandments
  A credo adopted by the team at the beginning of a project
  A collection of documents that provide purpose and motivation

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A collection of documents that provide purpose and motivation

Quartiles are utilized by which of the following tools?

  Run charts
  Histograms
  Fault tree diagrams
  Box and whisker plots

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Box and whisker plots

In the construction of a Pareto chart for the number of defects in a welding process, four categories of defects were recorded, as identified in the table below. The correct ranking for the Pareto chart categories from left to right would be



  Porosity, Burn-thru, Undercut, and Short Weld
  Undercut, Short Weld, Burn-thru, and Porosity
  Porosity, Short Weld, Undercut, and Burn-thru
  Burn-thru, Undercut, Short Weld, and Porosity

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Porosity, Short Weld, Undercut, and Burn-thru

Who is responsible for creating and confirming the project charter?

  Project Champion
  Master Black Belt
  Quality Leader
  Board of Directors

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Project Champion

Process Decision Program Charts are used for all of the following EXCEPT:

  Planning specific contingencies
  Designing a set of experiments to modify a process
  Steering events in a required direction if unanticipated problems occur
  Finding many counter measures to overcome problems

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Designing a set of experiments to modify a process

In six sigma, a run chart can reveal:

  Points out of control
  Shifts
  Trends
  B and C only

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B and C only

Pre-control charting uses which of the following to determine process goodness?

  Standard deviation
  Range values
  Specifications
  None of the above

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Specifications

Which of the following would not be considered an input in the airline business?

  Flight crew
  Ground equipment
  Reservation personnel
  Energy in the form of fuel
  All the above are inputs

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All the above are inputs

Which of the following would be considered a service department for an airline?

A. Maintenance.
B. Information Systems.
C. Purchasing.
D. Flight Catering.
E. All of the answers are correct

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All of the answers are correct

Janine is a senior financial manager who has ensured that the hospital in which she leads the finance department has all the resources necessary to implement Six Sigma methodologies. Janine is considered a:

  black belt
  champion
  master black belt
  green belt

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champion

Explanation : Janine is considered a champion.

Champions within an organization are individuals who are business leaders or senior managers and who are well versed in Six Sigma methodologies. Champions understand that Six Sigma requires sufficient financial, human, and operational resources to bring about successful outcomes. While they are typically involved in senior management, champions make sure that practitioners such as Black Belts have these resources.

Brian is a Management Consultant who is hired to improve the performance of a capital fundraising team. In his initial workshop, he relates the importance of understanding team development and its effects on their upcoming fundraising campaign. After ‘forming’, teams enter a stage where ideas compete for prominence. What is this stage called?

  Storming
  Adjourning
  Performing
  Recognition

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Storming

Explanation: After ‘informing’, team development enters a stage of ‘storming’ where ideas compete for prominence.
Storming is the second stage of team development following ‘forming’. In this stage, team members present their ideas for the particular task and they must establish a leadership model acceptable to all members. During this stage, they must also learn to resolve problems as they arise.

Following completion of her Six Sigma training, Stacey is responsible for Six Sigma implementation across the organization, integrating the knowledge she has gained while mentoring Black Belts. Stacey’s role is:

  Champion
  Green belt
  Yellow belt
  Executive leadership

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Champion

Explanation: A Champion is a key role in Six Sigma implementation.
Champion Six Sigma roles within an organization are vital in the implementation of quality management methodologies. Champions also serve as mentors to Black Belt certified professionals.

Melissa is a Management Consultant hired to conduct a business improvement assessment of low-performing processes in a fruit packing factory. The following are all examples of common causes in variations that could be found in this factory EXCEPT:

  Equipment age
  Human reaction times
  Materials variation
  Shortage of skilled machinists

Show or Reveal the Answer

Shortage of skilled machinists

Explanation: Common causes of variation are small, inherent causes of variation that are related to humans, machines, and operators.

Common causes of variation are small, inherent causes of variation such as human reaction times, equipment age, and materials variation. Shortage of skilled machinists is considered a special cause of variation that can be corrected.

James is a Black Belt practitioner in a medium-sized organization. He engages in continuous assessment of projects and their potential impact on the organization’s financial well-being. The cost of defects on an organization’s finances is also referred to as:

  COPQ
  CTQ
  COGQ
  QTC

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COPQ

Explanation : Cost of Poor Quality or COPQ is the cost of defects on an organization’s finances.

When an organization has a high percentage of defective products or services, it incurs a greater cost of re-work, warranties, returned items, and customer complaints’ management. COPQ provides a numerical figure of how much these defects cost the organization.

Which of the following companies was the first to enhance Six Sigma by using it to address strategic business objectives?

  Motorola
  Texas Instruments
  Allied Signal
  General Electric

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Allied Signal

The section of the project charter that describes the gap between the current state and the desired state is the:

  Business case
  SWOT analysis
  Problem statement
  Project scope

Show or Reveal the Answer

Problem statement

Six months after the work of a contractor ends, a consumer’s roof collapses. This is an example of a(an):

  external failure
  internal failure
  prevention failure
  appraisal failure

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external failure

Explanation: This is an example of an external failure.

An external failure is a cost of quality figure that occurs when a customer already owns a product. In this example, the roof collapsing after the consumer had already paid for it and a period of time had elapsed refers to an external failure. Depending on the length of warranty offered by a business on products or services, an external failure can be a costly one for organizations.

Team members designing a new interface for a business application choose items by prioritizing them individually. Those items given a high priority rating by the most number of team members are eventually included in the interface. This team tool is referred to as:

A.) kaizen method
B.) ordinal group technique
C.) ishikawa’s diagram
D.) nominal group technique

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nominal group technique

Explanation : - This team tool is referred to as the Nominal Group Technique (NGT).

A Nominal Group Technique (NGT) is a team tool used by Black Belt practitioners to reach a consensus on how to prioritize items in a group setting. If a team wishes to choose which of 3 venues to market a new application, based on the qualities of each venue, a team member attaches an importance in the form of a number such as 5 (on a scale of 1-5). Once all the numbers are added for each venue, then the highest one is chosen as a first priority.

In quality control, the famous business adage is: “If it can’t be ____________, it can’t be managed”

  scoped
  maintained
  measured
  evaluated

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measured

Explanation : In quality control, the famous business adage is: “If it can’t be measured, it can’t be managed.

Metrics are an important aspect of quality control. Processes cannot be managed effectively if they cannot be measured with accuracy. For example, delays in a production cycle cannot be managed without understanding the steps involved and their duration as well as gaining information about the performance of the machines involved.

The Project Champion defines the project boundaries, indicating what work will and will not be included in the project. These boundaries are known as the:

  Problem statement
  Business case
  Project charter
  Project scope

Show or Reveal the Answer

Project scope


a point which is outside of the lower control limit on an r-chart:
acceptance sampling, when it is used, is used:
quality control, in contrast to quality assurance, is implemented:
quality control tools are not really used to fix quality so much as they are used to:
the r chart is a control chart used to monitor a process mean
characteristic would most likely be detected by a:
which of the following quality control sample statistics indicates a quality characteristic
if a sample point plotted on a control chart is outside the control limits
the number of runs up and down for the preceding data is:
average time between completion of units is known as quizlet
the cycle time of a process if the average time between completion of success units of output
which of the following is not a basic type of production layout format?
which of the following statements is not true about value analysis/value engineering (va/ve)?
which of the following would not be considered an input in the airline business?
according to little's law, which of the following ratios is used to find throughput rate?
the control chart used for the number of defects per unit is
a control chart used to monitor the number of defects per company is called
what type of control chart is used to monitor the number of defects per unit
which of the following is not needed to calculate sample mean control charts

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