What is the variance of 12,6,7,3,10 ?

The variance of 12,6,7,3,10 is 12.3

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variance of 12,6,7,3,10

variance

12, 6, 7, 3, 10

12.3

Solution steps

Compute the average,

\overset{x}{ˉ} : 7.6

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 49.2

Compute the number of terms in the data set:

n = 5

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 12.3

12.3

3 n C r 0

6, 9, 16, 11, 12, 16, 5, 14, 5

9 C 1

4.1, 4.1, 4.9, 5.3, 5.8

P (7, 0)