Statistics
Browse our collection of statistics calculators.
Descriptive Statistics
Calculate comprehensive descriptive statistics for datasets
Central Tendency
Analyze central tendency with mean, median, mode, and quartiles
Standard Deviation
Calculate standard deviation, variance, and coefficient of variation
Normal Distribution
Calculate normal distribution probabilities and z-scores
Linear Regression
Perform linear regression analysis with correlation and prediction
Correlation Calculator
Calculate Pearson and Spearman correlation coefficients
Probability Calculator
Calculate basic probabilities and conditional probabilities
Binomial Distribution
Calculate binomial probabilities and cumulative probabilities
T-Test Calculator
Perform one-sample and two-sample t-tests with confidence intervals
ANOVA Calculator
Perform one-way Analysis of Variance to compare means across multiple groups
Chi-Square Test
Perform chi-square goodness of fit and independence tests
Z-Score Calculator
Calculate z-scores, find percentiles, and visualize standard deviations with bell curve visualization.
Quartiles & IQR Calculator
Calculate quartiles, interquartile range, detect outliers, and visualize data with box plots.
Poisson Distribution Calculator
Calculate Poisson probabilities (PMF and CDF) with visualization for modeling rare events.
Uniform Distribution Calculator
Calculate probabilities for continuous uniform distribution with PDF and CDF visualization
Exponential Distribution Calculator
Calculate exponential distribution probabilities with PDF and CDF for modeling time between events
Confidence Interval Calculator
Calculate confidence intervals for population means and proportions with margin of error