Statistical tools

Play with our tools to understand some statistical concepts

Least Squares Regression

Users try to find best fit line guided by squared errors and the Residual Sum of Square.


Calculate a probability

How to compute the probabilities from the Normal lay and understand the importance for statistics.


Central point and dispersion

Impact of the mean and of the standard deviation on the Normal distribution.


Alpha, Power and Sample Size

Understand the statistical risks, alpha-type and beta-type (power), through the Student’s T-Test.


Central Limit Theorem

Build the Gaussian distribution with successive series of coin game.