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Popular >

variance of 1,2,4

Solution

variance

1, 2, 4

Solution

2.33333 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 2.33333 \dots

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 4.66666 \dots

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} : 2.33333 \dots

2.33333 \dots

Popular Examples

12 C 11

c (13, 8)

7 p 3

interquartile 940,955,965,975,980,985,999,1000,1119,1247 interquartile range

940, 955, 965, 975, 980, 985, 999, 1000, 1119, 1247

std of 1,2,12 standard deviation

1, 2, 12

Frequently Asked Questions (FAQ)

What is the variance of 1,2,4 ?
The variance of 1,2,4 is 2.33333…