What is the variance of 8,4,2,5,5,8,5,8,2,7 ?

The variance of 8,4,2,5,5,8,5,8,2,7 is 5.37777…

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

variance of 8,4,2,5,5,8,5,8,2,7

variance

8, 4, 2, 5, 5, 8, 5, 8, 2, 7

5.37777 \dots

Solution steps

Compute the average,

\overset{x}{ˉ} : 5.4

Compute

i = 1 \sum n (x_{i} - \overset{x}{ˉ})^{2} : 48.4

Compute the number of terms in the data set:

n = 10

Compute

Va r (X) = i = 1 \sum n \frac{( x _{i} - x ˉ ) ^{2}}{n - 1} : 5.37777 \dots

5.37777 \dots

C (8, 2)

179, 179, 212, 212, 225, 254, 260, 281

8 C 0

1, 2

5 c 2

What is the variance of 8,4,2,5,5,8,5,8,2,7 ?
The variance of 8,4,2,5,5,8,5,8,2,7 is 5.37777…