Sxx = 0 + 100 + 100 + 25 + 25 = 250
Q: How do I calculate Sxx in Excel? A: You can calculate Sxx in Excel using the formula =SUM((A:A-AVERAGE(A:A))^2) , where A:A represents the range of data. Sxx Variance Formula
The Sxx variance formula is a part of this calculation: Sxx = 0 + 100 + 100 +
x̄ = (80 + 70 + 90 + 85 + 75) / 5 = 80