Mobile Apps

Explore & visualize probability distributions via sliders and easily find probabilities and percentiles (two-tailed, upper tail or lower tail), including critical values for confidence intervals and P-values for hypothesis tests.
The app is also great in exploring & visualizing discrete probability distributions such as the Binomial, Poisson or Geometric distribution.
Developed for both students and teachers as a handy tool to explore and visualize distributions and their properties interactively and when teaching probability distributions. The app also works in offline mode and could be used during exams.

Distributions implemented so far:
- Normal
- Student's t
- Chi-Squared
- F
- Binomial
- Geometric
- Poisson

Write a review to request additional distributions!

Your one-stop shop for basic one-, two-, and several-sample statistical inference for proportions and means.
Use your own data, raw or summarized, or, for larger data sets, copy and paste from a spreadsheet app such as Google Sheets right into the app.
Complete with statistical graphs (bar chart, histogram, boxplot, side-by-side bar graph and boxplots) of your data.
Includes visualization of the confidence interval or the P-value.
Includes apps for exploring the meaning of coverage probability and Type I & II errors.
Statistical procedures implemented so far for one and two samples:
- One and two sample test for proportions (including exact confidence intervals for a single proportion or the score interval for the difference of two proportions)
- One and two sample test for means (based on the t distribution)
Statistical procedures implemented so far for several groups:
- Chi-Squared Test for Independence/Homogeneity and for Goodness of Fit
- One-way ANOVE

Write a review to request additional procedures, such as resampling methods!

Art of Stat on Your Phone