Probability and Statistics is a free educational app developed by Eduardo Valdéz Aguirre for Android users. The app is designed to help students learn and understand the basic concepts of probability and statistics. It covers a wide range of topics, including mode, median, mean, variance, standard deviation, quartiles, deciles, and percentiles.

The app also includes lessons on probability distribution, such as normal, binomial, and Poisson. It provides examples and exercises to help users practice what they have learned. Additionally, the app covers correlation analysis and linear regression using the method of least squares. Overall, Probability and Statistics is a comprehensive educational app that can be a valuable resource for students studying probability and statistics.