Statistics Calculators

Standardized Mean Difference Calculator Calculate standardized mean difference between two groups. Open calculator → Harmonic Mean Calculator Finds the harmonic mean from the numbers you enter. Enter the first number, second number, and digits. Open calculator → Sample Standard Deviation Calculator Finds the sample standard deviation from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Spearman Correlation Calculator Finds the spearman correlation from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Exponential Distribution Calculator Finds the exponential distribution from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Addition Rule Probability Calculator Finds the addition rule probability from the numbers you enter. Enter the trials / population, successes / selections, and probability. Open calculator → Raw Score Calculator Calculate a raw score from a z-score, mean and standard deviation. Open calculator → Adjusted R Squared Calculator Calculate adjusted R-squared from R-squared, sample size and predictor count. Open calculator → Standard Normal Calculator Calculate probabilities and percentiles for the standard normal distribution. Open calculator → Eta Squared Calculator Calculate eta squared from ANOVA sums of squares. Open calculator → One Way ANOVA Calculator Test whether three or more independent group means differ. Open calculator → Goodness of Fit Calculator Compare observed and expected categorical frequencies. Open calculator →