providing accurate calculations for 17+ years!

Below you will find descriptions and links to 16 different statistics calculators that are related to the free adjusted r-square calculator (population r-square). The related calculators have been organized into categories in order to make your life a bit easier.

Miscellaneous Statistics Calculators

Regression Calculators

- A-priori Sample Size Calculator for Multiple Regression
- Beta (Type II Error Rate) Calculator for Multiple Regression
- Confidence Interval Calculator for a Predicted Value of a Regression Equation
- Critical F-value Calculator
- Effect Size Calculator for Multiple Regression
- f-square Effect Size Confidence Interval Calculator
- F-Value and p-Value Calculator for Multiple Regression
- Post-hoc Statistical Power Calculator for Multiple Regression
- R-square Calculator (from an f-square Effect Size)
- R-square Confidence Interval Calculator
- Regression Coefficient Confidence Interval Calculator
- Regression Intercept Confidence Interval Calculator
- Significance of the Difference between Two Slopes Calculator

Related Resources