Exercise
Select and create one control chart for your team project
Lean Six Sigma Green Belt
Lean Six Sigma Green Belt
Introduction to Control
IIL-LSSGB
7-00-*
Introduction to Control
Types of Control Charts: Selection Tree
Start
I-MR
P-Chart
Xbar-R
Xbar-S
Chart
Yes
No
Yes
Yes
No
Subgroups
Individuals
Occurrences & non-Occurrences
(Discr. Proportion)
Only occurrences
(Discr. Count)
Continuous
No
Discrete
Type of
Data
Individuals or
subgroups?
Is subgroup
size >or=10?
What is
counted?
Equal
subgroup
sizes?
U Chart
NP-Chart
C Chart
Equal
subgroup
sizes?
Lean Six Sigma Green Belt
Lean Six Sigma Green Belt
Transition Planning
IIL-LSSGB
Use this as a roadmap for selecting your control chart.
7_TP-*
Introduction to Control
Control Chart
Create a run chart graph with your project data (4 pts):
Vertical axis should depict likes per post
Horizontal axis should depict chronological time
Calculate and draw mean/average/target (3 pts)
Calculate and draw natural process limits (3 pts)
Upper-control limit = mean + 3 sdev
Lower-control limit = mean – 3 sdev
5.0
7.5
10.0
12.5
15.0
17.5
20.0
5
10
15
20
25
30
35
Target =10.46
LCL=5.22
UCL=15.70
Lean Six Sigma Green Belt
A “closed loop” plan involves a procedure for documenting discrepancies, defects or out-of-control situations, guidelines for action, and specific response guidelines.
Lean Six Sigma Green Belt
Transition Planning
7_TP-*
IIL-LSSGB
Introduction to Control
Control Chart
Paste control chart below
Lean Six Sigma Green Belt
A “closed loop” plan involves a procedure for documenting discrepancies, defects or out-of-control situations, guidelines for action, and specific response guidelines.
Lean Six Sigma Green Belt
Transition Planning
7_TP-*
IIL-LSSGB
Introduction to Control
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