std of 0.956,0.913,0.925,0.843,0.938,0.884,0.913,0.913,0.957,0.946,0.918

Solution

standard deviation

0.956, 0.913, 0.925, 0.843, 0.938, 0.884, 0.913, 0.913, 0.957, 0.946, 0.918

0.03323 \dots

Solution steps

Compute the variance:

0.00110 \dots

Compute

σ (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 0.03323 \dots

0.03323 \dots

1, 2, 3, 4

1, 2, 3, 4, 6

5 C 4

18 C 3

9 C 3

What is the std of 0.956,0.913,0.925,0.843,0.938,0.884,0.913,0.913,0.957,0.946,0.918 ?
The std of 0.956,0.913,0.925,0.843,0.938,0.884,0.913,0.913,0.957,0.946,0.918 is 0.03323…