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Coefficient of Determination (R²) Calculator 📊 R² Calculator Calculate the Coefficient of Determination (R²) to measure how well your regression model explains the variance in your data. Perfect for statistical analysis and model evaluation. 📈 Input Data Choose Input Method Sum of Squares Raw Data Points Total Sum of Squares (SST) Sum of squared differences … Read more

P-Value Calculator – Statistical Significance Testing Tool 📊 P-Value Calculator Calculate statistical significance and p-values for various statistical tests. Determine if your results are statistically significant with confidence. 🔢 Test Parameters Select Statistical Test T-Test Z-Test Chi-Square F-Test T-Statistic The calculated t-statistic from your test Degrees of Freedom Usually n-1 for one-sample, n₁+n₂-2 for two-sample … Read more

Bonferroni Correction Calculator – Multiple Comparisons Statistical Tool 🔬 Bonferroni Correction Calculator Adjust your significance levels for multiple comparisons to control the family-wise error rate and avoid false discoveries in statistical testing. 📊 Input Parameters Original Significance Level (α) 0.01 (1%)0.05 (5%)0.10 (10%) The significance level before correction Number of Comparisons Total number of statistical … Read more

A/B Test Calculator – Statistical Significance Testing 🧪 A/B Test Calculator Determine statistical significance of your A/B tests with confidence intervals, p-values, and comprehensive analysis to make data-driven decisions. 📊 Test Data Control (A) Original Version Visitors Total number of visitors Conversions Number of successful conversions Variant (B) Test Version Visitors Total number of visitors … Read more

Polynomial Regression Calculator 📊 Polynomial Regression Calculator Fit polynomial curves to your data points and analyze the relationship between variables with detailed statistics and visualizations. Input Data Polynomial Degree Linear (1st degree)Quadratic (2nd degree)Cubic (3rd degree)Quartic (4th degree)Quintic (5th degree) Data Points (X, Y) Enter X and Y values separated by commas, one pair per … Read more

Virtual Dice Roller 🎲 Virtual Dice Roller Roll virtual dice with realistic animations and comprehensive statistics. Perfect for board games, RPGs, and probability experiments. Choose Your Dice D6 (Standard) D4 (Pyramid) D8 (Octahedron) D10 (Decahedron) D12 (Dodecahedron) D20 (Icosahedron) D100 (Percentile) − 1 + 🎲 Roll Dice! Click “Roll Dice!” to start rolling 📊 Roll … Read more

Mean Absolute Deviation Calculator Mean Absolute Deviation Calculator Calculate the average distance of data points from the mean. Enter comma-separated values to find MAD with detailed step-by-step analysis and visualizations. 📈 Mean Absolute Deviation (MAD) Calculator Statistical Measure: MAD measures the average absolute distance between each data point and the mean, providing insight into data … Read more

Decile Calculator – Statistical Analysis Tool 📊 Hypergeometric Distribution Calculator Calculate hypergeometric distribution probabilities for sampling without replacement from finite populations with two types of objects. Calculator What is Hypergeometric Examples Formula Applications Hypergeometric Distribution Calculator Calculate hypergeometric distribution probabilities for sampling without replacement from finite populations. This calculator computes mean, variance, standard deviation, and … Read more

Decile Calculator – Statistical Analysis Tool 📊 Decile Calculator Calculate deciles (1st to 10th) for any ungrouped data set with essential statistical measures including minimum, maximum, mean, range, and sum. Decile Calculator How to Calculate Examples Data Visualization Statistical Analysis Decile Calculator This Decile Calculator is a useful tool for calculating the deciles (1st to … Read more

Chi-Square Calculator – Statistical Analysis Tool Chi-Square Calculator Calculate Chi-Square distribution values, perform hypothesis testing, and analyze statistical significance with our comprehensive Chi-Square analysis tool. How to Calculate Chi-Square Calculator Examples Distribution Table Hypothesis Testing How to Calculate Chi-Square Distribution What is Chi-Square? A Chi-square is the static value of the data that tells how … Read more