Introduction to the Data Analysis tool: Excel. Main functions and formulas for data analysis: PivotTable, Modeling and Decision-Making functions. Developing indicators.
Nature of variables. Nominal qualitative variables. Nominal scale with multiple answers. Pareto principle.
Ordinal and interval scales. Likert scale. Categorization. Quartiles. Measures. Normality and standardization. Confidence intervals. False positives and false negatives. Cross-checking qualitative (or categorized) variables with quantitative variables. Chi-square test. T, F and T tests. Crossing quantitative variables. Linear correlation and simple regression.