Gathering and Analyzing Data
Define your data needs
Do not overestimate what you know about the problem
Document the data and its sources
Examine existing information first
Rely on people as your most important resource
Consider interrelationships
Documenting your data
Use software tools such
Viewing data in different ways
Types of data to collect
Before you start collecting new information through observations or experiments, you should:
What kind of data should you collect to solve a problem of customer dissatisfaction with a product or service?