What is the std of 12.5,9.8,13.5,11.2,12.3,14.2,11.7,9.8,12.6,10.4 ?

The std of 12.5,9.8,13.5,11.2,12.3,14.2,11.7,9.8,12.6,10.4 is 1.50406…

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std of 12.5,9.8,13.5,11.2,12.3,14.2,11.7,9.8,12.6,10.4

standard deviation

12.5, 9.8, 13.5, 11.2, 12.3, 14.2, 11.7, 9.8, 12.6, 10.4

1.50406 \dots

Solution steps

Compute the variance:

2.26222 \dots

Compute

σ (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 1.50406 \dots

1.50406 \dots

7, 4, 2, 5, 8, 2, 4, 8, 6, 3

10 C 0

C (15, 3)

13, 14, 32, 53, 53, 53, 58, 64, 65, 67, 69, 69, 70, 72, 73

12 c 4

What is the std of 12.5,9.8,13.5,11.2,12.3,14.2,11.7,9.8,12.6,10.4 ?
The std of 12.5,9.8,13.5,11.2,12.3,14.2,11.7,9.8,12.6,10.4 is 1.50406…