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Popular Statistics >

variance of 8,4,9,2,8,2,6,2,2,4

Solution

variance

Solution

8.01111 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 4.7

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 72.1

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} : 8.01111 \dots

8.01111 \dots

Popular Examples

arithmeticmean of 32,29,20,37,42

Frequently Asked Questions (FAQ)

What is the variance of 8,4,9,2,8,2,6,2,2,4 ?
The variance of 8,4,9,2,8,2,6,2,2,4 is 8.01111…