Question 1202552
0,0,1,1,0,1,2,3,5,2,1,0,3,0,3,1,2,0,2,0,1,3,1,2,5,0,1,2 values  (28)

Sum = 42, count =28   mean = 42/28 =1.5

subtract mean from each value  above we get

-1.5, -1.5, -0.5, -0.5, -1.5, -0.5, 0.5, 1.5, 3.5, 0.5, -0.5, -1.5, 1.5, -1.5, 1.5, -0.5, 0.5, -1.5, 0.5, -1.5, -0.5, 1.5, -0.5, 0.5, 3.5, -1.5, -0.5, 0.5

Take the square of of each of the above difference

2.25, 2.25, 0.25, 0.25, 2.25, 0.25, 0.25, 2.25, 12.25, 0.25, 0.25, 2.25, 2.25, 2.25, 2.25, 0.25, 0.25, 2.25, 0.25, 2.25, 0.25, 2.25, 0.25, 0.25, 12.25, 2.25, 0.25, 0.25

Total the values =55

55/28 = 1.964285714  = variance


{{{ sigma^2 = sqrt(variance)}}}


1.401529776 = standard deviation.