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Popular >

variance of 1.8,2.5,2.6,4.4,4.4,7.3,8,9.5,10.3,10.4,11.1,11.7

Solution

variance

1.8, 2.5, 2.6, 4.4, 4.4, 7.3, 8, 9.5, 10.3, 10.4, 11.1, 11.7

Solution

13.53272 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 7

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 148.86

Compute the number of terms in the data set:

n = 12

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 13.53272 \dots

13.53272 \dots

Popular Examples

interquartile 300,785,670,187,760,724 interquartile range

300, 785, 670, 187, 760, 724

firstquartile 1,4,5,5,10,25 lower quartile

1, 4, 5, 5, 10, 25

firstquartile 1,4,6,14,20,24,25,28,29,35,38,40,40,43,44,47,48 lower quartile

1, 4, 6, 14, 20, 24, 25, 28, 29, 35, 38, 40, 40, 43, 44, 47, 48

std of-30,0,14,25 standard deviation

- 30, 0, 14, 25

arithmeticmean of 13,11,4,5,6,9,10,12,15,16 average

13, 11, 4, 5, 6, 9, 10, 12, 15, 16

Frequently Asked Questions (FAQ)

What is the variance of 1.8,2.5,2.6,4.4,4.4,7.3,8,9.5,10.3,10.4,11.1,11.7 ?
The variance of 1.8,2.5,2.6,4.4,4.4,7.3,8,9.5,10.3,10.4,11.1,11.7 is 13.53272…