Statistics Calculators

Mean Calculator

Calculate arithmetic mean (average)

Median Calculator

Find middle value in data set

Mode Calculator

Find most frequent value

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Range Calculator

Calculate data range

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Midrange Calculator

Calculate midrange value

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Geometric Mean

Calculate geometric mean

🎵

Harmonic Mean

Calculate harmonic mean

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Weighted Mean

Calculate weighted average

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Trimmed Mean

Calculate trimmed mean

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Winsorized Mean

Calculate winsorized mean

Dispersion & Variation

Variance Calculator

Calculate data variance

Standard Deviation

Calculate std deviation

Mean Deviation

Calculate mean deviation

Quartile Deviation

Calculate quartile deviation

Coefficient of Variation

Calculate CV

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Interquartile Range

Calculate IQR

Mean Absolute Deviation

Calculate MAD

Standard Error

Calculate standard error

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Skewness Calculator

Calculate skewness

Kurtosis Calculator

Calculate kurtosis

Probability Distributions

Normal Distribution

Calculate normal distribution

Binomial Distribution

Calculate binomial distribution

Poisson Distribution

Calculate Poisson distribution

Exponential Distribution

Calculate exponential distribution

Uniform Distribution

Calculate uniform distribution

T-Distribution

Calculate t-distribution

Chi-Square Distribution

Calculate chi-square distribution

F-Distribution

Calculate F-distribution

Beta Distribution

Calculate beta distribution

Gamma Distribution

Calculate gamma distribution

Weibull Distribution

Calculate Weibull distribution

Log-Normal Distribution

Calculate log-normal distribution

Hypothesis Testing

Z-Test Calculator

Perform Z-test

T-Test Calculator

Perform T-test

Chi-Square Test

Perform chi-square test

F-Test Calculator

Perform F-test

ANOVA Calculator

Perform ANOVA

Mann-Whitney Test

Perform Mann-Whitney test

Wilcoxon Test

Perform Wilcoxon test

Kruskal-Wallis Test

Perform Kruskal-Wallis test

Friedman Test

Perform Friedman test

Kolmogorov-Smirnov Test

Perform KS test

Regression Analysis

Linear Regression

Calculate linear regression

Multiple Regression

Calculate multiple regression

Logistic Regression

Calculate logistic regression

Polynomial Regression

Calculate polynomial regression

Ridge Regression

Calculate ridge regression

Lasso Regression

Calculate lasso regression

Elastic Net

Calculate elastic net regression

R-Squared Calculator

Calculate R-squared

Adjusted R-Squared

Calculate adjusted R-squared

Residual Analysis

Analyze regression residuals

Correlation Analysis

Pearson Correlation

Calculate Pearson correlation

Spearman Correlation

Calculate Spearman correlation

Kendall Correlation

Calculate Kendall correlation

Partial Correlation

Calculate partial correlation

Auto-Correlation

Calculate auto-correlation

Cross-Correlation

Calculate cross-correlation

Correlation Matrix

Generate correlation matrix

Covariance Calculator

Calculate covariance

Time Series Analysis

Moving Average

Calculate moving average

Exponential Smoothing

Calculate exponential smoothing

ARIMA Calculator

Calculate ARIMA model

Seasonal Decomposition

Decompose time series

Holt-Winters

Calculate Holt-Winters

Trend Analysis

Analyze time series trends

Statistical Inference

Confidence Interval

Calculate confidence intervals

Margin of Error

Calculate margin of error

Sample Size Calculator

Calculate required sample size

Power Analysis

Calculate statistical power

Effect Size Calculator

Calculate effect size

P-Value Calculator

Calculate p-value

Non-Parametric Tests

Sign Test

Perform sign test

Run Test

Perform run test

Median Test

Perform median test

Mood Test

Perform Mood's test

Quality Control

Control Chart

Create control charts

Process Capability

Calculate process capability

Six Sigma Calculator

Calculate Six Sigma metrics

Bayesian Statistics

Bayes Theorem

Calculate Bayes theorem

Posterior Probability

Calculate posterior probability

Prior Probability

Calculate prior probability

Data Visualization

Histogram Generator

Create histograms

Box Plot Generator

Create box plots

Scatter Plot Generator

Create scatter plots

Data Transformation

Z-Score Calculator

Calculate Z-scores

Min-Max Scaler

Normalize data

Standard Scaler

Standardize data

Log Transformation

Apply log transformation

Advanced Statistics

Factor Analysis

Perform factor analysis

Cluster Analysis

Perform cluster analysis

Principal Component

Calculate PCA

Discriminant Analysis

Perform discriminant analysis

Canonical Correlation

Calculate canonical correlation

Survey Statistics

Survey Sample Size

Calculate survey sample size

Response Rate Calculator

Calculate survey response rate

Survey Margin of Error

Calculate survey margin of error

Educational Statistics

Grade Distribution

Calculate grade distribution

Test Score Analysis

Analyze test scores

Item Analysis

Perform item analysis

Financial Statistics

Return Calculator

Calculate investment returns

Volatility Calculator

Calculate volatility

Sharpe Ratio

Calculate Sharpe ratio

Beta Calculator

Calculate beta

Medical Statistics

Odds Ratio Calculator

Calculate odds ratio

Relative Risk Calculator

Calculate relative risk