Six Sigma

Question 1

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Answer 1

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Question 2

What is DPMO?

Answer 2

Defects Per Million Opportunities

Question 3

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Answer 3

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Question 4

What is Six Sigma DPMO?

Answer 4

3.4 Defects Per Million Opportunities

Question 5

What is Six Sigma Problem solving for existing problem?

Answer 5

DMAIC

Define-Measure-Analyze-Improve-Control

Question 6

What is Six Signal problem solving for new problem?

Answer 6

DMADV

Define-Measure-Analyze-Design-Verify

Question 7

What is Define?

Answer 7

Project Charter

Question 8

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Answer 8

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Question 9

What’s in a project charter and what’s in one?

Answer 9

A document defining the project being undertaken. It is used to secure agreement from the project stakeholders as to what will be accomplished. It also defines the project cost, time-line and scope.

Question 10

What are the elements of a project charter?

Answer 10

• Charter title
• Business Case
• Problem statement
• Goal Statement
• Scope
• Team

Question 11

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Question 12

What is a project scope?

Answer 12

Answers questions:

• Process investigation start?
• Process investigation stop?
• What’s inside scope?
• What’s outside scope?

Question 13

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Answer 13

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Question 14

What scope creep?

Answer 14

Uncontrolled changes or continued growth of scope

Occurs when scope is not properly:

• defined
• documented
• controlled

Question 15

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Answer 15

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Question 16

What’s a SIPOC?

Answer 16

S = Supplier
I = Input
P = Process
O = Output
C = Customer

Best practice to complete

• Start with process
• Work left to input then supplier
• Work right to output then customer

Question 17

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Answer 17

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Question 18

What’s pie chart?

Answer 18

Divided into sectors as a sum of the whole

Question 19

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Question 20

What’s a line chart

Answer 20

Visualize value over time

X = horizontal axis
Y = vertical axis

Question 21

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Question 22

What’s bar chart?

Answer 22

Group data with rectangular bars; lengths proportional to values they represent

Question 23

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Question 24

What’s the mean?

Answer 24

The average

add up data points divide by # of data points

Question 25

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Answer 25

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Question 26

What's the median?

Answer 26

The middle number in a set of data - Organize the numbers from lowest to highest value - Start at the ends of the data and work towards the middle - If odd number of values, the middle number is the median - If even number of data values, take the average of the 2 middle values and divide by 2

Question 27

What's the mode?

Answer 27

The number appearing most frequently in a data set

Question 28

What's the range?

Answer 28

The lowest and highest number of a data set

Question 29

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Answer 29

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Question 30

What's a control chart?

Answer 30

Used to study a process over time Centerline = average Upper Control Limit = UCL Lower Control Limit = LCL Data between the control limits would be considered common cause

Question 31

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Answer 31

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Question 32

Control Chart - How are centerline, UCL and LCL determined?

Answer 32

Centerline = average of all data points | UCL and LCL are +/- 3 sigma from the centerline

Question 33

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Question 34

What's a histogram?

Answer 34

Graphical representation of the distribution of numerical data

Question 35

Who sets the limits? Mean / UCL / LCL

Answer 35

Customer

Question 36

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Answer 36

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Question 37

What's a scatter plot / diagram?

Answer 37

Used to determine if a correlation exists for data points Positive = trends upward (low to high) Negative = trends downward (high to low) No Correlation = random data points