Category: statistics

Efficiently perform T-tests, calculate T-statistics, cumulative probabilities, and correlation significance using accurate online T-distribution calculators. Ideal for hypothesis testing and statistical analysis. Comprehensive Guide to…

Available Confidence Intervals Calculators Two-Sided Difference of Proportions Test Calculator One-Sided Difference of Proportions Test T-Confidence Interval Calculator Normal Confidence Interval Calculator A confidence interval…

This calculator computes the Sobel test statistic and p-value to assess the significance of the indirect effect in mediation analysis. Enter the path coefficients (a,…

Mean, Median, and Mode Calculator Mean, Median, and Mode Calculator Enter a series of numbers (separated by commas or spaces) to calculate the mean, median,…

Indirect Mediation Effect Variance Calculator Indirect Mediation Effect Variance Calculator Enter the coefficients \(a\) and \(b\) along with their standard errors \(s_a\) and \(s_b\) to…

Our Normal Distribution Calculator is a free online tool that displays the probability distribution for the given data set Normal Distribution Calculator Normal Distribution Calculator Enter…

Use this calculator to perform a one-sample z-test, comparing a sample mean to a known population mean when the population standard deviation is known. Enter…

Linear Regression Calculator Enter your x‑values and y‑values (separated by commas) to calculate the regression line: \( y = mx + b \) and the…