What is the variance of 7,14,7,2,10,9,15,4,16,6 ?

The variance of 7,14,7,2,10,9,15,4,16,6 is 22.44444…

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variance of 7,14,7,2,10,9,15,4,16,6

variance

7, 14, 7, 2, 10, 9, 15, 4, 16, 6

22.44444 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 9

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 202

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} : 22.44444 \dots

22.44444 \dots

p (4, 3)

2, 3, 4, 5, 6, 0.2, 0.1, 0.2, 0.2, 0.3

22 c 1

40, 41, 42, 46, 50, 51, 52

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

What is the variance of 7,14,7,2,10,9,15,4,16,6 ?
The variance of 7,14,7,2,10,9,15,4,16,6 is 22.44444…