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Popular >

variance of 2,4,8,9,12,15

Solution

variance

2, 4, 8, 9, 12, 15

Solution

23.46666 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 8.33333 \dots

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 117.33333 \dots

Compute the number of terms in the data set:

n = 6

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 23.46666 \dots

23.46666 \dots

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Frequently Asked Questions (FAQ)

What is the variance of 2,4,8,9,12,15 ?
The variance of 2,4,8,9,12,15 is 23.46666…