30 Free Tools
Statistics Calculators
Mean, median, mode, standard deviation, probability, and regression analysis calculators.
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Statistics Calculators
30 tools · Free · Instant · No signup
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Calc Adaptive Clinical Trial Sample Size Re-estimation Engine
Free · Accurate Use
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Calc One-Way ANOVA Calculator (Analysis of Variance & F-Test
Free · Accurate Use
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Calc Two-Way Factorial ANOVA Calculator (Main Effects & Interaction
Free · Accurate Use
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Calc Bayes' Theorem & Conditional Posterior Probability Calculator
Free · Accurate Use
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Calc Binomial Probability Distribution Calculator (PMF, CDF & Statistics
Free · Accurate Use
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Calc Bullwhip Effect & Supply Chain Variance Amplification Calculator
Free · Accurate Use
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Calc Chi-Square Test of Independence & Contingency Table Calculator
Free · Accurate Use
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Calc Clinical Trial Sample Size & Dropout Inflation Engine
Free · Accurate Use
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Calc Statistical Confidence Interval & Margin of Error Calculator
Free · Accurate Use
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Calc Confidence Interval for Mean Calculator (Z-Interval & T-Interval
Free · Accurate Use
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Calc Direct Material Price Variance (DMPV
Free · Accurate Use
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Calc Simple Linear Regression & OLS Line of Best Fit Calculator
Free · Accurate Use
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Calc Logistic Regression, Sigmoid Probability & Odds Ratio Calculator
Free · Accurate Use
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Calc Mean, Median, Mode, Range Calculator
Free · Accurate Use
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Calc Mean Squared Error (MSE
Free · Accurate Use
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Calc P-value Calculator
Free · Accurate Use
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Calc Pearson Correlation Coefficient (r
Free · Accurate Use
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Calc Poisson Probability Distribution Calculator (PMF, CDF & Rate Modeling
Free · Accurate Use
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Calc Probability Calculator
Free · Accurate Use
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Calc R-Squared & Adjusted R-Squared Calculator (Multiple Regression
Free · Accurate Use
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Calc ROC Curve & AUC (Area Under Curve
Free · Accurate Use
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Calc Spearman Rank Correlation & Monotonic Association Calculator
Free · Accurate Use
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Calc Standard Deviation & Variance Calculator
Free · Accurate Use
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Calc Standard Normal Distribution Calculator (Area Under the Bell Curve & Probit
Free · Accurate Use
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Calc Independent Samples T-Test Calculator (Student's & Welch's T-Test
Free · Accurate Use
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Calc Paired Samples T-Test Calculator
Free · Accurate Use
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Calc Sample & Population Variance & Standard Deviation Calculator
Free · Accurate Use
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Calc Variance Inflation Factor (VIF
Free · Accurate Use
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Calc Z-score Calculator
Free · Accurate Use
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Calc Z-Score to Probability & Percentile Calculator (Standard Normal Distribution
Free · Accurate Use