What is the variance of 73,29,29,51,22,34,37,40,46,73 ?

The variance of 73,29,29,51,22,34,37,40,46,73 is 314.48888…

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variance of 73,29,29,51,22,34,37,40,46,73

variance

73, 29, 29, 51, 22, 34, 37, 40, 46, 73

314.48888 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 43.4

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 2830.4

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} : 314.48888 \dots

314.48888 \dots

100, 900

5, 9, 3, 9, 4, 5, 2, 6, 10, 2

95, 110, 116, 128, 137, 142, 182

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

12.5, 12.7, 14.9, 11.3, 11.7, 10.9

What is the variance of 73,29,29,51,22,34,37,40,46,73 ?
The variance of 73,29,29,51,22,34,37,40,46,73 is 314.48888…