Least Squares Regression Line Calculator

Least Squares Regression Line Calculator CalculatorScale.com

Input Parameters

Instant Real-time Calculation

Sum of X

Sum of Y

Sum of XY

Sum of X²

Data Points Count (n)

Result Math

Regression Slope (m)

Export calculation:

Calculation Logic:

The Least Squares Regression Line Calculator uses y = m x + b | m = (n Σxy - Σx Σy) / (n Σx² - (Σx)²) to compute geometric coordinates and rational fraction values.