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Popular >

variance of 1,2

Solution

variance

1, 2

Solution

0.5

Solution steps

Compute the average,

\overset{x}{ˉ} : 1.5

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 0.5

Compute the number of terms in the data set:

n = 2

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 0.5

0.5

Popular Examples

5 c 2

median of 2,5,9,15,25,28,30 median

2, 5, 9, 15, 25, 28, 30

thirdquartile 23,32,20,43,41,66,63,59,54,36,45,61,55,44,47 upper quartile

23, 32, 20, 43, 41, 66, 63, 59, 54, 36, 45, 61, 55, 44, 47

arithmeticmean of 2/7 , 2/10 average

\frac{2}{7}, \frac{2}{10}

44 n C r 5

Frequently Asked Questions (FAQ)

What is the variance of 1,2 ?
The variance of 1,2 is 0.5