Sxx | Variance Formula

It seems you’re looking for a paper or derivation related to the term — a common notation in statistics, particularly in simple linear regression and sum of squares decomposition .

Where:

b1=SxySxxb sub 1 equals the fraction with numerator cap S sub x y end-sub and denominator cap S sub x x end-sub end-fraction Sxxcap S sub x x end-sub sxx variance formula