What is the variance of 2,5,1,6,8,4,9,6,3,6 ?

The variance of 2,5,1,6,8,4,9,6,3,6 is 6.44444…

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variance of 2,5,1,6,8,4,9,6,3,6

variance

2, 5, 1, 6, 8, 4, 9, 6, 3, 6

6.44444 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 5

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 58

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} : 6.44444 \dots

6.44444 \dots

50, 54, 60, 56, 41, 41, 50, 54, 60, 32, 56, 50, 53

26 C 3

20 c 1

5 C 5

31, 34, 28, 37, 35, 30, 29

What is the variance of 2,5,1,6,8,4,9,6,3,6 ?
The variance of 2,5,1,6,8,4,9,6,3,6 is 6.44444…