Linear Least Squares Regression Line Calculator
Enter at least two XY data pairs separated by spaces.
 
 

Applied Formulas:
Best linear equation through the data point dispersion
and
nNumber of matching XY data pairs (at least 2)
mSlope or tangent of the angle of the regression line
bY-Intercept (y value at x=0)
Sum of all X data values
Sum of squares of all X data values
Sum of all Y data values
Sum of products of all matching XY data pairs