DATA ANALYSIS
•Organize information.
•To know about what data is telling us.
⇒Data analysis process.
Previous step: Formulate a problem.
1. Variable identification.
2. Computer data entry.
3. Descriptive analysis.
4. Problem generalization.
5. Choosing the appropriate results.
6. Report writing.
“The central problem in management and in leadership ... is failure to
understand the information in variation.”
Dr. W. Edwards Deming
If we organize it well, we will get enough information.
⇒Variables identification.
Individuals: People, animals or things that are described in a statics
dataset. It has one application.
Observation or cases: the individuals that we observe in our study.
Each application observed (ex, 30 cases).
Variable: Any characteristic observed and its value varies for each
observation or case. Symbol representing an unknown or not assigned
value of a characteristic of an individual: quantitative [continuous or
discrete] o qualitative/categorical.
4 variables
Qualitatives
Quantitatives