How is SXX calculated? - treehozz.com
https://treehozz.com/how-is-sxx-calculated02.03.2020 · Sxx is the sum of the squares of the difference between each x and the mean x value. Sxy is sum of the product of the difference between x its means and the difference between y and its mean. So Sxx=Σ (x−¯x) (x−¯x) and Sxy=Σ (x−¯x) (y−¯y). Click to read in-depth answer. Simply so, what does SXX stand for in statistics?