Transcript Data Portrayal - American College of Healthcare Executives

Data Portrayal
6σ
Team:
The Authors
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Case One Example
1
Purpose
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To exploit the data tracking tools
To apply the basic data analysis tools
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Case One Example
2
Data Analysis
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Set average value =
Set standard deviation =
Upper system limit =
Lower system limit =
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Case One Example
1.47
0.19
2.06
0.31
3
Tracking Diagram
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3.00
2.50
Attention!
2.00
1.50
1.00
0.50
0
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10
20
Case One Example
30
40
4
Histogram of the Data Set
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More
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
10
8
6
4
2
0
-
Frequency
Histogram
Bin
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Case One Example
5
Analysis
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One data point exceeds the process
control limit, which is to be expected only
a few times in a thousand.
This point requires special attention
The rest of the data seem to be well
behaved.
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Case One Example
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