Sxy Calculator for Linear Regression

The Sxy calculator is designed to determine the covariance between the independent (X) and dependent (Y) variables.

Sxy:

How to Use the Sxy Calculator?

  1. First, input the list of independent (X) and dependent (Y) values with a comma or space delimiter. Example: 5,10,15 or 5 10 15.
  2. Click the 'Calculate' button to obtain the Sxy result.

How to Calculate Sxy?

The formula to compute Sxy is:

Sxy = Σ(xi - x̄) (yi - ȳ)

Where,
xi = Each value of the independent variable,
x̄ = Mean of X dataset,
yi = Each value of the dependent variable,
ȳ = Mean of Y dataset.

The Sxy is used to compute the slope (b1) of the regression line in simple linear regression.

b1 =  
Sxy
Sxx