Add data points, draw a scatter plot, and fit a linear regression line.
Enter a data set and instantly calculate mean, median, mode, variance, standard deviation, quartiles, histogram, and box plot.
Switch between normal, binomial, and Poisson distributions, then compare their shape and summary values.
Run a one-sample z-test or t-test, visualize the rejection region, and compare the p-value with alpha.
A space for future statistical summaries, charts, and data experiments.