Run
Mean = (2 + 3 + 6 + 5)/4 = 4 Standard Deviation = sqrt( ((2-4)^2 + (3-4)^2 + (6-4)^2 + (5-4)^2)/4 ) = sqrt( (4+1+4+1)/4 ) = sqrt(10/4) = sqrt(2.5) = 1.5811388300841898
Output