) , whereas variance is the average of those squared deviations. Sxxcap S sub x x end-sub into sample variance ( s2s squared

s2=83−1=4s squared equals the fraction with numerator 8 and denominator 3 minus 1 end-fraction equals 4 ✅ Summary Sxxcap S sub x x end-sub

Understanding the Sxxcap S sub x x end-sub Variance Formula in Statistics

Sxxn−1the fraction with numerator cap S sub x x end-sub and denominator n minus 1 end-fraction Average squared spread