en

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

Popular >

variance of 9,10,10,8,7,11,12,9

Solution

variance

9, 10, 10, 8, 7, 11, 12, 9

Solution

2.57142 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 9.5

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 18

Compute the number of terms in the data set:

n = 8

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 2.57142 \dots

2.57142 \dots

Popular Examples

4 P 4

16 n C r 6

5 n cr 3

variance of 8,10,5,10,8,6 variance

8, 10, 5, 10, 8, 6

7 P 6

Frequently Asked Questions (FAQ)

What is the variance of 9,10,10,8,7,11,12,9 ?
The variance of 9,10,10,8,7,11,12,9 is 2.57142…