Statistics
6 free online tools
Statistical analysis tools for data science, research, and analytics. Calculate mean, median, standard deviation, probability distributions, hypothesis testing, and more.
P-Value Calculator
Calculate p-values for Z-test, T-test, and Chi-square hypothesis tests
Sum of Squares Calculator
Calculate sum of squares with variance, standard deviation, and step-by-step solutions
Harmonic Mean Calculator
Calculate harmonic mean with comparison to arithmetic and geometric means
Geometric Mean Calculator
Calculate geometric mean with comparison to arithmetic and harmonic means
Standard Deviation Calculator
Calculate standard deviation, variance, and statistics
Z-score Calculator
Calculate Z-scores, percentiles, and probabilities for normal distribution
Why Use Our Statistics Tools?
Comprehensive statistical calculations and analysis
Probability distributions and hypothesis testing
Descriptive statistics with detailed breakdowns
Regression analysis and correlation tools
Sample size and confidence interval calculators
Visual representations of statistical data
Common Use Cases
Calculating mean, median, and mode of datasets
Computing standard deviation and variance
Performing hypothesis testing and p-value calculations
Analyzing probability distributions
Calculating correlation and regression
Determining sample sizes for research
Computing confidence intervals
Analyzing statistical significance