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IISE Green Belt Exam Questions and Answers 2024
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  • Six Sigma Green Belt
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  • Six Sigma Green Belt

Part 1 - Answer-Intro What is Six Sigma? - Answer-- Customer Focused - Well defined problem solving methodology supported by a handful of powerful analytical tools. - coined by Motorola Continuous Improvement - Answer-- driven by the execution of carefully selected projects. - small steps ...

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  • September 10, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • part 1 answer intro
  • iise green belt exam questions and answers 2024

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  • Six Sigma Green Belt
  • Six Sigma Green Belt

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IISE Green Belt Exam Questions and
Answers 2024
Part 1 - Answer-Intro

What is Six Sigma? - Answer-- Customer Focused
- Well defined problem solving methodology supported by a handful of powerful
analytical tools.
- coined by Motorola

Continuous Improvement - Answer-- driven by the execution of carefully selected
projects.
- small steps forward no steps backward

Defect - Answer-- anything that results in customer dissatisfaction

Six Sigma Approach - Answer-- Uses statistics solely as tools for interpreting and
clarifying data
- Requires a deep commitment from the highest levels of management
- strategy and not a destination

For Six Sigma to be Effective - Answer-1. There must be a process in place;
2. The process must be brought into control statistically;
3. The processes must be improved (by reducing variation within the controlled
processes and bringing them closer to the target)

DMAIIC - Answer-- define
- measure
- analyze
- improve
- implement
- control (standardize and validate)

Part 2 - Answer-Variation

Who done it (Variation) - Answer-W. Edward Deming
(Theory of Profound Knowledge)

Knowledge of Systems - Answer-1. A system is a network of interdependent
components that work together to try to accomplish an aim;
2. Systems are management's responsibility;
3. Management's job is to optimize the entire system over time

Variation - Answer-- the voice of the system or process

, - make invisible visible
- distinguish between special and common cause variation

When people do not understand variation - Answer-- See trends where there are no
trends;
- Blame and give credit to others for things over which they have little or no control;
- Build barriers, decrease morale, and create an atmosphere of fear;
- Never be able to fully understand past performance, make predictions about the future
and make significant improvements in the process

Types of variation - Answer-common cause - process is in control
special cause - process is out of control (address 1st)

Stable process - Answer-- only normal variation is present (no special cause)
- predictable
- in statistical control
- known process capability (can it meet customer requirements)

Control - Answer-predictability

Basic Theorem of Variation - Answer-If you always do what you've always done, you'll
always get what you've always got

Part 3 - Answer-Statistics

Sample vs. Population - Answer-Sample - english
Population - greek

Which Mean do you Mean? - Answer-- Use the median or the mode if the shape of the
distribution is not symmetrical
- Use the arithmetic mean if the shape of the distribution is symmetrical

Standard Deviation - Answer-

standard deviation significance
within 1,2,3 - Answer-1σ - 68%
2σ - 95.5%
3σ - 99.73%

Box and Whisker Plot: Five-number summary - Answer-the minimum, the maximum, the
sample median, and the first and third quartiles.

Part 4 - Answer-Control Charts

Control Charts - Answer-- Statistical tool which shows the amount and type of variation
present in any process that is being monitored

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