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 Original: English                      Practical Statistical Analysis

The purpose of this website is to offer effective tools to support statistical analysis for quantitative data.

In the context of Business Intelligence (BI), Statistical Analysis comprises a Sampling method to collect data from the process; Descriptive statistics to summarize data from a sample using metrics such as mean, variation and skewness; Inferential statistics which draw conclusions from data and support decision making.

What would you like to analyse in your sample ? (click below to get additional info)

Preliminary Analysis

Descriptive
 Statistics
  
Outlier
 detector
  
Independence &
 Stability (IID)
  
Sample
 Size
  

Hypothesis Test

Goodness-of-Fit
 Test
  
Compare Means
 (parametric)
  
Compare Means
 (nonparametric)
  
Compare
 Variation
  

Other analyses

Confidence
 Interval
  
Cumulative
 Distribution
  
Universal Probability
 Calculator
  
Generate random
 variables