The calculator above will graph and output a simple linear regression model for you, along with testing the relationship and the model equation. Keep in mind that Y is your dependent …

Calculate P from t, z, r, F or chi-square, or vice-versa. View Binomial, Poisson or Gaussian distribution. Correct a P value for multiple comparisons and Bayes.

You can use statistical software such as Prism to calculate simple linear regression coefficients and graph the regression line it produces. For a quick simple linear regression analysis, try our …

Free web calculator provided by GraphPad Software. Calculates the P value from z, t, r, F, or chi-square.

This calculator uses a two-sample t test, which compares two datasets to see if their means are statistically different. That is different from a one sample t test, which compares the mean of …

Post test following two-way (or higher) ANOVA. Confidence interval of a sum, difference, quotient or product of two means. Confidence interval of a standard deviation. Linear regression. …

This calculator is built for simple linear regression, where only one predictor variable (X) and one response (Y) are used. https://www.graphpad.com/quickcalcs/linear1/

Prism is purpose-built for scientists, and when it comes to nonlinear regression, Prism is the industry favorite tool. With a consistently clear, practical, and well-documented interface, Prism …

This calculator compares observed and expected frequencies within (up to 20) categories using the chi-square test. Enter the names of the categories into the first column, then enter the …

This calculator is for 2x2 contingency tables that separate each subject into one of four categories based on two factors, each with two possibilities. Simply label the rows and columns, then type …