Data Analysis and Graphing

Office of Quality Management

Office of Research Services

National Institutes of Health

July 2002

For more information on the ASAs:

http://www.nih.gov/od/ors/od/oqm/asa/asa.htm

Or Contact:

Amy Culbertson

Culberta@ors.od.nih.gov

(301) 594-9616

Acknowledgments

Data Analysis and Graphing training was jointly developed by:

• Office of Quality Management (OQM)– Antonio Rodriguez, Amy Culbertson, Carmen Kaplan, and Gay Presbury

• OQM Consultants– Janice Rouiller (SAIC), Kate Fenton (Atlantic Coast Consulting), Phil Nathanson (McManis Associates)

Table of Contents

Training Objectives……..………………………………………………………………………………………….. 1

ASA Data Collection Plan………………………………………………………………………………………….. 2

Step 1: Review Common Performance Objectives and Measures…………………………………………………………….… 7

Step 2: Add Unique Performance Objectives and Measures …………………………………………………………………… 12

Step 3: Review/Determine Methodology ………………………………………………………………………………………….. 13

Step 4: List Points of Contact (POC) …………………………………………………………………………………………….… 18

Step 5: List Source of Data …………………………………………………………………………………………………………. 20

Step 6: List Data Collection Frequency ………………………………………………………………………………………….… 26

Step 7: List Target………………………………………………………………………………………………………………….… 28

Methods of Analyzing Data With Graphs……………………………………………………………………… 30

Pie Charts……………………………………………………………………………………………………………………………… 33

Bar Graphs………………………………………………………………………………………………………………….……….… 35

Pareto Charts…………………………………………………………………………………………………………………………..38

Radar Charts…………………………………………………………………………………………………………..…………….… 40

Line Graphs……………………………………………………………………………………………………….…………………… 42

Scatter Diagrams……………………………………………………………………………………………………………………… 45

Analyzing Data with Graphs ……………………………………………………………………………………………………….… 47

Tips for Graph Analysis………………………………………………………………….…………………………………………… 51

Summarizing Analyses in Your ASA Presentation………………………………………………………………………..……… 53

i

Table of Contents (cont.)Constructing Graphs from the ASA Template………………………………………………………………….55

Customer Perspective

Graphing and Analyzing Customer Segmentation Data……..…………………………………………………………….……56

Pie Chart………………………………………………………………………………………………………………………….59

Bar Graph…………………………………………………………………………………………………………………………64

Pareto Chart……………………………………………………………………………………………………………………...70

Bar Graph with Added Dimension………………………………………………………………………………………….…..73

Graphing and Analyzing Customer Satisfaction Ratings..……………………………..……………………………………….79

Radar Chart………………………………………………………………………………………………………………….……81

Scatter Diagram: Gap Analysis………………………………………………………………………………………..….……83

Internal Business Process

Graphing and Analyzing Process Measures …………………………………………………………………………………….84

Run Chart…………………………………………………………………………………………………………………...…….86

Scatter Diagram……………………………………………………………………………………………………………..……93

Learning and Growth Perspective

Graphing and Analyzing Turnover, Sick leave, Complaints, Awards……………………………………………….…..…....102

Analysis of the Readiness Index……………………………………………………………………………………..…….….…104

Financial Perspective

Graphing and Analyzing Unit Cost …………………………………………………………………………………..…...……..106

Run Chart…………………………………………………………………………………………………………………….…108

Graphing and Analyzing Asset Utilization ………………………………………………………………………………..…….109

Run Chart…………………………………………………………………………………………………………………...….111

All Perspectives

Graphing and Analyzing Unique Measures ………………………………………………………….………..………….…….119

.Summary………………………………………………………………………………………………………….….121

Resources…………………………………………………………………………………………………………....122

ii