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Popular >

variance of 1,2,3

Solution

variance

1, 2, 3

Solution

1

Solution steps

Compute the average,

\overset{x}{ˉ} : 2

Compute

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

Compute the number of terms in the data set:

n = 3

Compute

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

1

Popular Examples

7 C 1

arithmeticmean of 11.5,12,12.5 average

11.5, 12, 12.5

P (26, 4)

std of 2,3,6,8,11,12,6,7,3,15,10,18,5 standard deviation

2, 3, 6, 8, 11, 12, 6, 7, 3, 15, 10, 18, 5

variance of 7,8,9,7,3,5,5 variance

7, 8, 9, 7, 3, 5, 5

Frequently Asked Questions (FAQ)

What is the variance of 1,2,3 ?
The variance of 1,2,3 is 1