What is the std of 8,4,9,2,8,2,6,2,2,4 ?

The std of 8,4,9,2,8,2,6,2,2,4 is 2.83039…

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std of 8,4,9,2,8,2,6,2,2,4

standard deviation

8, 4, 9, 2, 8, 2, 6, 2, 2, 4

2.83039 \dots

Solution steps

Compute the variance:

8.01111 \dots

Compute

σ (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 2.83039 \dots

2.83039 \dots

P (12, 9)

9.4, 48.4, 35.4, 37, 29, 31, 64.4, 37.4, 16.6, 28.6

2, 4, 4, 5, 6, 6, 7, 8, 12

3, 5, 2, 1, 4

10 n P r 6

What is the std of 8,4,9,2,8,2,6,2,2,4 ?
The std of 8,4,9,2,8,2,6,2,2,4 is 2.83039…