Statistics Tools

Generate stem and leaf plots instantly. Input numbers, get organized displays with counts, mean, min/max values. Perfect for statistics and data analysis.

Perform a two-sample Student's t-test to calculate t-value, degrees of freedom, p-value, and determine statistical significance. Compare sample means with customizable significance levels.

Compute arithmetic mean for a list of numbers

Find the middle number in a sorted dataset

Find the most frequent value(s) in a dataset

Find the difference between max and min values

Compute population/sample standard deviation

Calculate variance for a dataset

Standardize a value relative to mean and standard deviation

Compute harmonic mean for a dataset

Compute geometric mean for a dataset