Data Analysis
How to do a data analysis
Tips
- Frequent communication
- If the insights aren't actionable they're trivia
- Use the 5 W (Who, What, Where, Why, and When)
- What decision are you trying to make?
Metrics
- Média
- Mediana
- Máximo
- Minimo
- Deviação média
- Desvio padrão
- variance?
- skewness?
- kurtosis?
Types of graphs
- Linha
- Barras
- Swankey
Trust interval
🤔 Será que poderia usar um intervalo de confiança para num data test detectar outliers?
Types of distribution
- Normal
Tests
normal test Chi-square t- test kruskal-wallis test