Statistics

Browse our collection of statistics calculators.

Calculate comprehensive descriptive statistics for datasets

Calculate the mean, median, mode, and range of a dataset.

Calculate sample and population standard deviation and variance

Calculate normal distribution probabilities and z-scores

Find the least-squares regression line with R², correlation, and a scatter plot

Calculate the Pearson correlation coefficient (r) and R² for paired data

Calculate basic probabilities and conditional probabilities

Calculate binomial probabilities and cumulative probabilities

Perform one-sample and two-sample t-tests with confidence intervals

Perform one-way Analysis of Variance to compare means across multiple groups

Perform a chi-square goodness-of-fit test on observed and expected frequencies

Calculate z-scores, find percentiles, and visualize standard deviations with bell curve visualization.

Calculate quartiles, interquartile range, detect outliers, and visualize data with box plots.

Calculate Poisson probabilities (PMF and CDF) with visualization for modeling rare events.

Calculate probabilities for continuous uniform distribution with PDF and CDF visualization

Calculate exponential distribution probabilities with PDF and CDF for modeling time between events

Calculate confidence intervals for population means and proportions with margin of error