Statistics Tools
Number Tools
Stem and Leaf Plot Generator
Generate stem and leaf plots instantly. Input numbers, get organized displays with counts, mean, min/max values. Perfect for statistics and data analysis.
Number Tools
client-sideT-Test Calculator
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.
Number Tools
client-sideAverage / Mean Calculator
Compute arithmetic mean for a list of numbers
Number Tools
client-sideMedian Finder
Find the middle number in a sorted dataset
Number Tools
client-sideMode Finder
Find the most frequent value(s) in a dataset
Number Tools
client-sideRange Calculator
Find the difference between max and min values
Number Tools
client-sideStandard Deviation Calculator
Compute population/sample standard deviation
Number Tools
client-sideVariance Calculator
Calculate variance for a dataset
Number Tools
client-sideZ-Score Calculator
Standardize a value relative to mean and standard deviation
Number Tools
client-sideHarmonic Mean Calculator
Compute harmonic mean for a dataset
Number Tools
client-sideGeometric Mean Calculator
Compute geometric mean for a dataset
Number Tools
client-side