Statistics Calculators

Population Standard Deviation Calculator Finds the population standard deviation from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Pearson Correlation Calculator Finds the pearson correlation from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Uniform Distribution Calculator Finds the uniform distribution from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Power Analysis Calculator Finds the power analysis from the numbers you enter. Enter the mean / value, standard deviation, and sample size. Open calculator → Z Score Calculator Calculate a z-score from a value, mean and standard deviation. Open calculator → Logarithmic Regression Calculator Fit a logarithmic regression model. Open calculator → Inverse Normal Calculator Find a normal-distribution cutoff from a cumulative probability. Open calculator → Hedges G Calculator Calculate bias-corrected standardized mean difference. Open calculator → Two Proportion Z Test Calculator Compare two independent population proportions. Open calculator → Runs Test Calculator Test whether a binary sequence appears random using a runs test. Open calculator → Specificity Calculator Calculate specificity from a confusion matrix. Open calculator → Bowley Skewness Calculator Calculate Bowley's quartile coefficient of skewness. Open calculator →