What is the variance of 0,4,2,8,2,3,1,0,5,7 ?

The variance of 0,4,2,8,2,3,1,0,5,7 is 7.73333…

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variance of 0,4,2,8,2,3,1,0,5,7

variance

7.73333 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 3.2

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 69.6

Compute the number of terms in the data set:

n = 10

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 7.73333 \dots

7.73333 \dots

What is the variance of 0,4,2,8,2,3,1,0,5,7 ?
The variance of 0,4,2,8,2,3,1,0,5,7 is 7.73333…